Daily DAP Accessibility Report — 2026-09-22
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Today at a Glance
An estimated ~2,710,000 Americans encountered an accessibility barrier on the most-visited federal web pages today. See who is affected.
Aggregate Lighthouse scores (0-100, higher is better) averaged across all successfully scanned pages.
- 96 of 100 top government pages scanned successfully (4 failed, 0 excluded). See every page and its scores.
- 67 of 100 scanned pages have Critical or Serious accessibility findings — up 4 from the previous scan.
- Most widespread issue: Touch targets do not have sufficient size or spacing, found on 37 pages. See the most common issues.
How to Use This Report
Different readers need different things from this data. Start where it is most relevant to you.
Work on a government website?
- Find your site in the Top URLs table and compare its scores with peer agencies.
- Open Details for your page: every finding has a stable ID and a copy button, ready to paste into a ticket.
- Findings keep the same ID from day to day, so you can confirm a fix actually shipped.
Reporting or researching?
- Read the plain-language daily summary of the biggest barriers and who they affect.
- Cite the trend narrative and the comparison with the recent average.
- Download the raw data (CSV and JSON links throughout) and check the methodology.
Want things to improve?
- Share the estimate of Americans excluded — it makes the stakes concrete.
- See Take Action for concrete steps: free testing tools, USWDS adoption, and hiring people with disabilities.
Accessibility Trend Narrative
Over the past 7 days of data (2026-09-15 to 2026-09-21), government website accessibility scores have improved (+1.1 points, from 91.23 to 92.33). Performance scores have improved (+1.36 points, from 46.36 to 47.72).
Today's aggregate accessibility score of 91.53 reflects the mean Lighthouse accessibility score across 96 successfully scanned government URLs. A score above 90 indicates generally strong compliance with WCAG automated checks, though manual testing is always recommended to fully assess accessibility.
Comparison with 7-Day Average
| Metric | 2026-09-22 | 7-day avg | Change |
|---|---|---|---|
| Performance | 47.82 | 50.4 | -2.58 |
| Accessibility | 91.53 | 92.07 | -0.54 |
| Best Practices | 86.04 | 84.98 | +1.06 |
| SEO | 89.06 | 87.64 | +1.42 |
See the full score trend in the History section below.
Americans Excluded by Disability Today
These are rough estimates of Americans excluded from accessing just the 100 most-visited U.S. government home pages.
Based on 41,260,053 page loads across successfully scanned government URLs and U.S. disability prevalence rates from the U.S. Census Bureau, American Community Survey (ACS) 2024 1-Year Estimates, Table B18101 (2024), an estimated ~2,710,000 Americans encountered an accessibility barrier on a government website today.
Each row shows the number of people in a disability group who visited a page with at least one accessibility issue that affects their group. Prevalence rates and U.S. population estimates are derived from the American Community Survey (ACS) and supplemental sources. These figures are rough estimates intended to illustrate the scale of accessibility barriers.
| Icon | Disability Group (Section 508 FPC) | U.S. Prevalence | U.S. Population Affected | Page Loads with Barriers | Est. Americans Excluded Today |
|---|---|---|---|---|---|
| Limited Reach and Strength | 5.8% | ~19,700,000 | 16,000,000 | ~920,000 | |
| Limited Manipulation | 2.3% | ~7,800,000 | 24,900,000 | ~570,000 | |
| Without Perception of Color | 4.3% | ~14,600,000 | 9,230,000 | ~390,000 | |
| Limited Vision | 2.3% | ~7,800,000 | 12,300,000 | ~280,000 | |
| Without Vision | 1.0% | ~3,400,000 | 23,900,000 | ~230,000 | |
| Limited Language, Cognitive, and Learning Abilities | 4.9% | ~16,700,000 | 4,550,000 | ~220,000 | |
| Without Hearing | 0.3% | ~1,000,000 | 23,900,000 | ~71,814 |
Sources: U.S. Census Bureau, American Community Survey (ACS) 2024 1-Year Estimates, Table B18101; disability prevalence from ACS 2024 and supplemental CDC/NIDCD/NIH data. Reviewed annually.
Common Accessibility Issues (Top 10)
The following axe-core rules were most frequently violated across scanned URLs today. These patterns indicate systemic accessibility barriers present across multiple government websites. Impact figures in this section are estimates based on U.S. Census disability prevalence data and observed page-load counts, which may include bot traffic.
Total axe findings today: 221 across 100 scanned URLs.
| Rule ID | Description | URLs affected | Disabilities Affected (hover/focus icons for estimated impact) |
|---|---|---|---|
target-size | Touch targets do not have sufficient size or spacing. | 37Affected sites: tools.usps.com, forecast.weather.gov, usps.com, weather.gov, ncbi.nlm.nih.gov, informeddelivery.usps.com, nhc.noaa.gov, medlineplus.gov, openi.nlm.nih.gov, usajobs.gov, apod.nasa.gov, preview-forecast.weather.gov, heasarc.gsfc.nasa.gov, marine.weather.gov, dea.gov, code.usgs.gov, store.usps.com, federalregister.gov, preview.ncbi.nlm.nih.gov, itis.gov, www.osti.gov, seer.cancer.gov, reg.usps.com, nhtsa.gov, eric.ed.gov, fbi.gov, fws.gov, blast.ncbi.nlm.nih.gov, spc.noaa.gov, state.gov, www.usajobs.gov, osti.gov, census.gov, usaspending.gov, cancer.gov, war.gov, faq.usps.com | People with limited hand, finger, or fine motor dexterity. Estimated ~368,610 people potentially excluded (2.3% prevalence × 16,026,501 affected page loads) People with limited reach, strength, or stamina. Estimated ~929,537 people potentially excluded (5.8% prevalence × 16,026,501 affected page loads) |
heading-order | Heading elements are not in a sequentially-descending order | 24Affected sites: tools.usps.com, sec.gov, informeddelivery.usps.com, ssa.gov, studentaid.gov, secure.ssa.gov, science.nasa.gov, heasarc.gsfc.nasa.gov, fda.gov, dea.gov, plus.nasa.gov, apps-sefsc.fisheries.noaa.gov, bls.gov, tsp.gov, store.usps.com, federalregister.gov, usa.gov, ttp.cbp.dhs.gov, nhtsa.gov, aviationweather.gov, fbi.gov, nsopw.gov, census.gov, ecfr.gov | People who are blind or have no functional vision. Estimated ~113,895 people potentially excluded (1.0% prevalence × 11,389,495 affected page loads) People who are deaf and cannot hear audio content. Estimated ~34,168 people potentially excluded (0.3% prevalence × 11,389,495 affected page loads) People with limited hand, finger, or fine motor dexterity. Estimated ~261,958 people potentially excluded (2.3% prevalence × 11,389,495 affected page loads) |
landmark-one-main | Document does not have a main landmark. | 22Affected sites: tools.usps.com, forecast.weather.gov, usps.com, weather.gov, informeddelivery.usps.com, medlineplus.gov, openi.nlm.nih.gov, apod.nasa.gov, urs.earthdata.nasa.gov, preview-forecast.weather.gov, marine.weather.gov, archives.gov, store.usps.com, preview.ncbi.nlm.nih.gov, itis.gov, eric.ed.gov, fbi.gov, blast.ncbi.nlm.nih.gov, spc.noaa.gov, census.gov, www.nist.gov, faq.usps.com | People who are blind or have no functional vision. Estimated ~130,407 people potentially excluded (1.0% prevalence × 13,040,702 affected page loads) People who are deaf and cannot hear audio content. Estimated ~39,122 people potentially excluded (0.3% prevalence × 13,040,702 affected page loads) People with limited hand, finger, or fine motor dexterity. Estimated ~299,936 people potentially excluded (2.3% prevalence × 13,040,702 affected page loads) |
color-contrast | Background and foreground colors do not have a sufficient contrast ratio. | 22Affected sites: forecast.weather.gov, clinicaltrials.gov, weather.gov, ssa.gov, nhc.noaa.gov, openi.nlm.nih.gov, secure.ssa.gov, urs.earthdata.nasa.gov, preview-forecast.weather.gov, marine.weather.gov, dea.gov, federalregister.gov, preview.ncbi.nlm.nih.gov, reg.usps.com, nhtsa.gov, aviationweather.gov, fdic.gov, eric.ed.gov, fbi.gov, blast.ncbi.nlm.nih.gov, spc.noaa.gov, www.nist.gov | People with low vision who need magnification or high contrast. Estimated ~171,636 people potentially excluded (2.3% prevalence × 7,462,454 affected page loads) People who cannot distinguish certain colors (color blindness). Estimated ~320,886 people potentially excluded (4.3% prevalence × 7,462,454 affected page loads) |
label-content-name-mismatch | Elements with visible text labels do not have matching accessible names. | 13Affected sites: clinicaltrials.gov, ssa.gov, secure.ssa.gov, medicare.gov, bls.gov, tsp.gov, seer.cancer.gov, nhtsa.gov, fws.gov, fas.usda.gov, census.gov, usaspending.gov, cancer.gov | People who are blind or have no functional vision. Estimated ~31,106 people potentially excluded (1.0% prevalence × 3,110,618 affected page loads) People with low vision who need magnification or high contrast. Estimated ~71,544 people potentially excluded (2.3% prevalence × 3,110,618 affected page loads) People who are deaf and cannot hear audio content. Estimated ~9,332 people potentially excluded (0.3% prevalence × 3,110,618 affected page loads) People with limited hand, finger, or fine motor dexterity. Estimated ~71,544 people potentially excluded (2.3% prevalence × 3,110,618 affected page loads) |
link-name | Links do not have a discernible name | 12Affected sites: tools.usps.com, usps.com, informeddelivery.usps.com, cdc.gov, openi.nlm.nih.gov, cmr.earthdata.nasa.gov, store.usps.com, nhtsa.gov, aviationweather.gov, ftc.gov, spc.noaa.gov, faq.usps.com | People who are blind or have no functional vision. Estimated ~93,252 people potentially excluded (1.0% prevalence × 9,325,222 affected page loads) People who are deaf and cannot hear audio content. Estimated ~27,976 people potentially excluded (0.3% prevalence × 9,325,222 affected page loads) People with limited hand, finger, or fine motor dexterity. Estimated ~214,480 people potentially excluded (2.3% prevalence × 9,325,222 affected page loads) |
image-alt | Image elements do not have `[alt]` attributes | 11Affected sites: forecast.weather.gov, usps.com, weather.gov, ssa.gov, openi.nlm.nih.gov, secure.ssa.gov, preview-forecast.weather.gov, marine.weather.gov, esta.cbp.dhs.gov, store.usps.com, spc.noaa.gov | People who are blind or have no functional vision. Estimated ~57,907 people potentially excluded (1.0% prevalence × 5,790,712 affected page loads) People who are deaf and cannot hear audio content. Estimated ~17,372 people potentially excluded (0.3% prevalence × 5,790,712 affected page loads) |
listitem | List items (`<li>`) are not contained within `<ul>`, `<ol>` or `<menu>` parent elements. | 9Affected sites: tools.usps.com, usps.com, informeddelivery.usps.com, justice.gov, esta.cbp.dhs.gov, store.usps.com, census.gov, usaspending.gov, faq.usps.com | People who are blind or have no functional vision. Estimated ~82,485 people potentially excluded (1.0% prevalence × 8,248,459 affected page loads) People who are deaf and cannot hear audio content. Estimated ~24,745 people potentially excluded (0.3% prevalence × 8,248,459 affected page loads) People with limited hand, finger, or fine motor dexterity. Estimated ~189,715 people potentially excluded (2.3% prevalence × 8,248,459 affected page loads) |
html-has-lang | `<html>` element does not have a `[lang]` attribute | 8Affected sites: forecast.weather.gov, weather.gov, informeddelivery.usps.com, radar.weather.gov, preview-forecast.weather.gov, marine.weather.gov, eric.ed.gov, spc.noaa.gov | People who are blind or have no functional vision. Estimated ~45,561 people potentially excluded (1.0% prevalence × 4,556,134 affected page loads) People who are deaf and cannot hear audio content. Estimated ~13,668 people potentially excluded (0.3% prevalence × 4,556,134 affected page loads) People with cognitive, learning, or language differences. Estimated ~223,251 people potentially excluded (4.9% prevalence × 4,556,134 affected page loads) |
link-in-text-block | Links rely on color to be distinguishable. | 7Affected sites: ncbi.nlm.nih.gov, studentaid.gov, esta.cbp.dhs.gov, dea.gov, plus.nasa.gov, code.usgs.gov, federalregister.gov | People with low vision who need magnification or high contrast. Estimated ~48,129 people potentially excluded (2.3% prevalence × 2,092,572 affected page loads) People who cannot distinguish certain colors (color blindness). Estimated ~89,981 people potentially excluded (4.3% prevalence × 2,092,572 affected page loads) |
Human impact narratives for top issues
The following narratives describe the real-world impact of each accessibility barrier on people with disabilities. These barriers are not abstract technical failures; they prevent citizens from independently accessing government services.
target-size: Digital Motor Access
Small touch targets act as a digital gatekeeper, excluding individuals with tremors, arthritis, or limited dexterity from accessing essential services independently. These technical failures transform a routine interaction into a source of failure, stripping away the autonomy of citizens who require a frictionless, accessible interface to participate in digital life. The approximately 58 million Americans with ambulatory or self-care disabilities are disproportionately impacted by inadequate touch target sizing on government mobile websites.
Affected groups:
- People with Parkinson's disease, arthritis, or hand tremors
- Older adults with reduced fine motor control
- People with motor disabilities using alternative pointing devices
- People in situational impairment contexts (e.g., commuting, holding a child)
heading-order: Document Structure Navigation
Screen reader users navigate complex government websites primarily through heading structure, using headings as a table of contents to jump between sections. Skipped heading levels break the logical document outline, causing confusion about the hierarchy of information and forcing users to re-read sections to understand the relationship between topics, adding significant time and effort to information-gathering tasks.
Affected groups:
- People who are blind using screen readers
- People who are deaf and rely on visual-to-text tools
- People with motor disabilities using keyboard navigation
landmark-one-main: Primary Content Identification
Without a main landmark, screen reader users lose their most efficient way to skip to the primary content of a government page. Every page visit requires tabbing through the entire navigation structure to reach the actual content, a significant time and effort burden that accumulates across repeated visits to government websites for citizens managing ongoing benefit cases or legal matters.
Affected groups:
- People who are blind using screen readers
- People who are deaf and rely on visual-to-text tools
- People with motor disabilities using keyboard navigation
color-contrast: Visual Information Access
Low contrast text is one of the most pervasive barriers on government websites, rendering critical information invisible to the approximately 26 million Americans with low vision or color blindness. When agency announcements, form instructions, error messages, or legal notices are displayed in insufficient contrast, affected citizens are denied equal access to the information they need to exercise their rights and access public services.
Affected groups:
- People with low vision including age-related vision loss
- People who are color blind (approximately 8% of men, 0.5% of women)
label-content-name-mismatch: Voice Control Activation
When the accessible name of an element does not match its visible text, voice control users cannot activate it using the words they see on screen. Saying "click Submit" to a button whose visual label is "Submit" but whose accessible name is "submitbtn" results in no action. This mismatch silently breaks voice control for citizens with motor disabilities who depend on this input method to interact with government websites.
Affected groups:
- People who are blind using screen readers
- People with low vision relying on screen magnifiers
- People who are deaf using keyboard navigation
- People with motor disabilities using voice control software
link-name: Link Purpose Clarity
Links without accessible names are completely useless to screen reader users who navigate government pages by jumping between links. An unnamed link could lead anywhere, and activating it unknowingly could trigger downloads, open unexpected pages, or initiate unintended processes. On government websites, unnamed links undermine the informed consent principle by preventing citizens from knowing where a link will take them.
Affected groups:
- People who are blind using screen readers
- People who are deaf and rely on visual-to-text tools
- People with motor disabilities using keyboard navigation
image-alt: Visual Content Access
Images without alternative text are completely invisible to blind users and to search engines. On government websites, informational images, diagrams, infographics, and document screenshots without alt text deprive blind citizens of the same information available to sighted visitors. Critical details like emergency instructions, benefit eligibility charts, or form procedure diagrams can be entirely inaccessible, putting these citizens at a disadvantage in accessing government services and information.
Affected groups:
- People who are blind using screen readers
- People who are deaf and rely on visual-to-text tools
listitem: List Item Semantic Context
Orphaned list items outside of list containers lose their semantic meaning and list navigation properties. Screen reader users rely on list structure to understand that a set of items is related and to count the total number of items. Government navigation menus, step lists, and option groups presented as invalid lists are harder to parse and navigate efficiently.
Affected groups:
- People who are blind using screen readers
- People who are deaf and rely on visual-to-text tools
- People with motor disabilities navigating by keyboard
html-has-lang: Language Identification
Without a language attribute, screen readers default to the user's system language settings, which may cause government content to be read in the wrong language with incorrect pronunciation. This is particularly harmful for multilingual citizens accessing government services in their non-primary language, and for users of braille displays that depend on language metadata for proper rendering.
Affected groups:
- People who are blind using screen readers
- People who are deaf and rely on visual-to-text tools
- People with cognitive or language differences
link-in-text-block: Color-Independent Link Identification
When links are distinguished only by color, people with color vision deficiency cannot identify them as links and may miss critical references to additional information, forms, or resources. On government websites, overlooked links in informational content can mean missing essential instructions, deadlines, or procedures that affect a citizen's ability to access services or comply with requirements.
Affected groups:
- People with low vision who may not perceive color differences
- People who are color blind (approximately 8% of men, 0.5% of women)
Disability icon key
- Without Vision — People who are blind or have no functional vision (1.0% of U.S. population — ~3,400,000 Americans)
- Limited Vision — People with low vision who need magnification or high contrast (2.3% of U.S. population — ~7,800,000 Americans)
- Without Perception of Color — People who cannot distinguish certain colors (color blindness) (4.3% of U.S. population — ~14,600,000 Americans)
- Without Hearing — People who are deaf and cannot hear audio content (0.3% of U.S. population — ~1,000,000 Americans)
- Limited Hearing — People with hearing loss who may struggle with audio without accommodations (3.4% of U.S. population — ~11,600,000 Americans)
- Without Speech — People who cannot use speech or voice-based input effectively (0.5% of U.S. population — ~1,700,000 Americans)
- Limited Manipulation — People with limited hand, finger, or fine motor dexterity (2.3% of U.S. population — ~7,800,000 Americans)
- Limited Reach and Strength — People with limited reach, strength, or stamina (5.8% of U.S. population — ~19,700,000 Americans)
- Limited Language, Cognitive, and Learning Abilities — People with cognitive, learning, or language differences (4.9% of U.S. population — ~16,700,000 Americans)
These icons show which groups of people with disabilities are excluded by each accessibility barrier. Where page view data is available, each icon shows an estimated number of people potentially excluded (page loads for affected URLs × disability prevalence rate from U.S. Census ACS 2024). Hover over or focus an icon to see the full estimate and methodology. Icons follow the Section 508 Functional Performance Criteria and the equivalent EU EN 301 549 v3.2.1 Table B.2 categories.
Prevalence data: U.S. Census Bureau, American Community Survey (ACS) 2024 1-Year Estimates, Table B18101; supplemental data from CDC, NIDCD, AFB, and NIH/NEI. U.S. population base: ~340,100,000 (2024 estimate). Reviewed annually.
See the Section 508 WCAG to FPC mapping for additional detail on how accessibility requirements map to functional needs.
Download full axe findings JSON for this day | Download full axe findings CSV for this day
Usability Heuristics Summary
The most common accessibility violations map to Nielsen Norman Group's 10 usability heuristics. This table shows which heuristics are most affected by today's top axe-core violations, helping to identify where systemic usability barriers exist.
| # | Heuristic | Issue patterns | URLs affected | Related axe rules |
|---|---|---|---|---|
| 6 | Recognition rather than recall | 5 | 89 | heading-order, landmark-one-main, color-contrast, link-name, listitem |
| 4 | Consistency and standards | 5 | 80 | heading-order, landmark-one-main, label-content-name-mismatch, link-name, listitem |
| 8 | Aesthetic and minimalist design | 5 | 71 | landmark-one-main, color-contrast, image-alt, listitem, link-in-text-block |
| 10 | Help and documentation | 5 | 71 | landmark-one-main, color-contrast, image-alt, listitem, link-in-text-block |
| 1 | Visibility of system status | 4 | 60 | landmark-one-main, color-contrast, listitem, link-in-text-block |
| 9 | Help users recognize, diagnose, and recover from errors | 4 | 60 | landmark-one-main, color-contrast, listitem, link-in-text-block |
| 7 | Flexibility and efficiency of use | 3 | 49 | heading-order, label-content-name-mismatch, link-name |
| 5 | Error prevention | 3 | 38 | landmark-one-main, listitem, link-in-text-block |
Heuristics with no violations today
| # | Heuristic | Issue patterns | URLs affected | Related axe rules |
|---|---|---|---|---|
| 2 | Match between system and the real world | 0 | 0 | — |
| 3 | User control and freedom | 0 | 0 | — |
Performance Impact on Americans
Google defines a good Largest Contentful Paint (LCP) as under 2.5 seconds and recommends pages under 1.6 MB. The figures below estimate how much extra time Americans spend waiting, and how much extra data is transferred, because government websites fall short of these benchmarks. Calculations are based on 96 successfully scanned URLs with Lighthouse timing data.
| Metric | Estimated total (September 22, 2026) | Notes |
|---|---|---|
| Extra time waiting (vs 2.5s LCP benchmark) | 8 years, 8 months, 27 daysExtra time is calculated as: for each scanned URL, max(0, actual LCP − 2.5s) × page loads. Total: 275,837,938 seconds. | 275,837,938 seconds |
| Extra data transferred (vs 1.6 MB page weight benchmark) | ~47.2 TB (1,962 copies of Wikipedia)Extra data is calculated as: for each scanned URL, max(0, actual page weight − 1.6 MB) × page loads. | Across 96 URLs with weight data |
LCP and page weight are measured by Lighthouse. Wikipedia copy count uses a size of 24.05 GB per Wikipedia:Size of Wikipedia. These are rough estimates based on a sample of the top government URLs by traffic. Hover or focus the estimated totals for calculation details.
Content Density (Words per Megabyte)Experimental
Words-per-Megabyte (WpM) measures how efficiently a page delivers readable content relative to its total download size. A low ratio indicates Digital Bloat—the page transfers far more data than the text it contains. Pages below 200 WpM are flagged for optimization review.
- URLs with content metrics: 68
- Average word count: 204
- Average Words/MB: 116
- URLs below 200 WpM threshold: 59
| URL | Word Count | Words/MB |
|---|---|---|
| https://pmc.ncbi.nlm.nih.gov | 159 | 144 |
| https://pubmed.ncbi.nlm.nih.gov | 376 | 419 |
| https://forecast.weather.gov | 76 | 58 |
| https://usps.com | 99 | 23 |
| https://clinicaltrials.gov | 22 | 14 |
| https://secure.login.gov | 204 | 277 |
| https://irs.gov | 233 | 148 |
| https://weather.gov | 74 | 57 |
| https://ncbi.nlm.nih.gov | 308 | 165 |
| https://va.gov | 305 | 138 |
How this is calculated: Word counts are extracted from the page’s main article content using Mozilla Readability, which strips navigation, sidebars, and ads (falling back to full visible body text for pages with fewer than 50 readable words). Page weight is the total resource size in bytes measured by Lighthouse across all network requests, converted to megabytes (1 MB = 1,000,000 bytes). The ratio is computed as word count divided by total MB, rounded to the nearest integer. Pages below 200 WpM may impose unnecessary data costs on users on metered connections. Note: This metric is experimental—the 200 WpM threshold and overall methodology are still being refined and may change in future reports.
Environmental conditions and situational disability
Environmental conditions can create temporary or situational disabilities. High pollen, particle pollution, and poor air quality can cause irritated eyes, blurred vision, headaches, fatigue, and reduced concentration. On days like this, people may rely more heavily on zoom, contrast, clear headings, plain language, keyboard navigation, and error-tolerant forms.
Signal level: High — Environmental conditions are likely affecting people across many major U.S. metro areas.
- Metro areas with AQI ≥ 101 (air pollution): 0
- Metro areas with PM2.5 AQI ≥ 101 (particle pollution, which may include smoke): 0
- Metro areas with high or very high pollen: 41 (source: Seasonal estimate (not live data))
Pollen-affected metro areas (up to 10 shown)
- New York: WEED (seasonal)
- Los Angeles: WEED (seasonal)
- Chicago: WEED (seasonal)
- Houston: WEED (seasonal)
- Phoenix: WEED (seasonal)
- Philadelphia: WEED (seasonal)
- San Antonio: WEED (seasonal)
- San Diego: WEED (seasonal)
- Dallas: WEED (seasonal)
- San Jose: WEED (seasonal)
Pollen conditions are based on Google Pollen data when available. When live data is unavailable, a seasonal estimate is used. This is a situational signal, not a medical or exposure model.
Data source notes
- Air quality data unavailable (AIRNOW_API_KEY not configured).
- Pollen data is a seasonal estimate, not live data. Live Google Pollen data was unavailable.
History
Download full Lighthouse history CSV · For the average comparison, see the Comparison with Average section above.
| Date | Performance | Accessibility | Best Practices | SEO |
|---|---|---|---|---|
| 2026-09-21 | 47.72 | 92.33 | 84.88 | 88.61 |
| 2026-09-20 | 56.55 | 92.33 | 85 | 88.75 |
| 2026-09-19 | 48.09 | 92.65 | 84.84 | 88.25 |
| 2026-09-18 | 52.62 | 92.34 | 86.09 | 88.13 |
| 2026-09-17 | 53.38 | 91.76 | 85.35 | 86.38 |
| 2026-09-16 | 48.11 | 91.85 | 84.69 | 85.75 |
| 2026-09-15 | 46.36 | 91.23 | 84.04 | 87.58 |
Top URLs by Traffic (Scanned)
Showing up to 100 highest-traffic URLs from the latest available DAP day in this run.
Note: CWV = Core Web Vitals (measures page loading performance including Largest Contentful Paint, Cumulative Layout Shift, and Interaction to Next Paint). Lighthouse scores are 0–100 (higher is better). The Accessibility / Important column shows the Lighthouse accessibility score; if Critical or Serious axe findings exist the count appears after the slash (e.g. 94 / 2). Click Details (N) to view WCAG accessibility findings for each URL.
Download axe findings JSON for this day | Download axe findings CSV for this day
| Lighthouse accessibility score (0–100). If any Critical or Serious axe findings exist, the count is shown after the slash (e.g. 94 / 2). | Axe details | Technologies | ||||||
|---|---|---|---|---|---|---|---|---|
| https://tools.usps.com | 5639209 | poor | 45 / 476 daysTotal time users spent waiting for this page to load: 7.3s LCP × 5,639,209 page loads. | 68 / 8 | 58 | 83 | 2 3rd-partyThird-party services: Google Tag Manager, Google Ads | |
| https://pmc.ncbi.nlm.nih.govDepartment of Health and Human Services | 4867114 | needs improvement | 72 / 211 daysTotal time users spent waiting for this page to load: 3.8s LCP × 4,867,114 page loads. | 100 | 96 | 92 | USWDS 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://pubmed.ncbi.nlm.nih.govDepartment of Health and Human Services | 3552230 | needs improvement | 80 / 122 daysTotal time users spent waiting for this page to load: 3.0s LCP × 3,552,230 page loads. | 100 | 100 | 92 | USWDS 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://forecast.weather.govDepartment of Commerce | 1749663 | poor | 57 / 191 daysTotal time users spent waiting for this page to load: 9.4s LCP × 1,749,663 page loads. | 67 / 4 | 85 | 73 | 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, YouTube | |
| https://pubchem.ncbi.nlm.nih.govDepartment of Health and Human Services | 1524669 | poor | 58 / 145 daysTotal time users spent waiting for this page to load: 8.2s LCP × 1,524,669 page loads. | 100 | 100 | 100 | 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://usps.com | 896063 | poor | 40 / 98 daysTotal time users spent waiting for this page to load: 9.4s LCP × 896,063 page loads. | 68 / 7 | 73 | 85 | 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads, Facebook / Meta Pixel | |
| https://clinicaltrials.govDepartment of Health and Human Services | 888482 | poor | 46 / 101 daysTotal time users spent waiting for this page to load: 9.8s LCP × 888,482 page loads. | 96 / 3 | 96 | 100 | USWDS 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Fonts | |
| https://secure.login.govGeneral Services Administration | 883454 | needs improvement | 84 / 26 daysTotal time users spent waiting for this page to load: 2.5s LCP × 883,454 page loads. | 100 | 100 | 100 | 3 3rd-partyThird-party services: Google Analytics, Google Fonts, Login.gov | |
| https://sec.govSecurities and Exchange Commission | 854426 | poor | 38 / 147 daysTotal time users spent waiting for this page to load: 14.9s LCP × 854,426 page loads. | 98 | 100 | 92 | USWDS 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, YouTube | |
| https://irs.govDepartment of the Treasury | 803752 | poor | 41 / 113 daysTotal time users spent waiting for this page to load: 12.1s LCP × 803,752 page loads. | 100 | 96 | 100 | 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://weather.govDepartment of Commerce | 762959 | poor | 66 / 55 daysTotal time users spent waiting for this page to load: 6.3s LCP × 762,959 page loads. | 67 / 4 | 85 | 73 | 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, YouTube | |
| https://ncbi.nlm.nih.govDepartment of Health and Human Services | 756835 | poor | 41 / 46 daysTotal time users spent waiting for this page to load: 5.3s LCP × 756,835 page loads. | 94 / 2 | 73 | 75 | USWDS 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Fonts | |
| https://informeddelivery.usps.com | 740086 | poor | 30 / 134 daysTotal time users spent waiting for this page to load: 15.7s LCP × 740,086 page loads. | 75 / 6 | 50 | 92 | 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads | |
| https://cdc.govDepartment of Health and Human Services | 677646 | poor | 65 / 63 daysTotal time users spent waiting for this page to load: 8.0s LCP × 677,646 page loads. | 91 / 2 | 100 | 85 | USWDS 2 3rd-partyThird-party services: Google Analytics, Digital Analytics Program | |
| https://va.govDepartment of Veterans Affairs | 603185 | poor | 17 / 43 daysTotal time users spent waiting for this page to load: 6.2s LCP × 603,185 page loads. | 100 | 100 | 100 | 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://nps.govDepartment of the Interior | 589702 | poor | 48 / 138 daysTotal time users spent waiting for this page to load: 20.2s LCP × 589,702 page loads. | 100 | 73 | 100 | USWDS 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Google Fonts | |
| https://radar.weather.govDepartment of Commerce | 580245 | poor | 51 / 29 daysTotal time users spent waiting for this page to load: 4.3s LCP × 580,245 page loads. | 77 / 1 | 100 | 82 | 2 3rd-partyThird-party services: Google Analytics, Digital Analytics Program | |
| https://ssa.govSocial Security Administration | 557229 | poor | 59 / 37 daysTotal time users spent waiting for this page to load: 5.7s LCP × 557,229 page loads. | 91 / 3 | 92 | 85 | Drupal 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads, jsDelivr CDN | |
| https://travel.state.govDepartment of State | 489536 | poor | 76 / 17 daysTotal time users spent waiting for this page to load: 3.0s LCP × 489,536 page loads. | 93 / 1 | 96 | 40 | ||
| https://nhc.noaa.govDepartment of Commerce | 487646 | poor | 55 / 142 daysTotal time users spent waiting for this page to load: 25.1s LCP × 487,646 page loads. | 85 / 4 | 92 | 75 | USWDS 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, unpkg CDN | |
| https://medlineplus.govDepartment of Health and Human Services | 454585 | poor | 66 / 13 daysTotal time users spent waiting for this page to load: 2.5s LCP × 454,585 page loads. | 95 / 1 | 96 | 92 | USWDS 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://studentaid.govDepartment of Education | 446949 | poor | 4 / 72 daysTotal time users spent waiting for this page to load: 13.9s LCP × 446,949 page loads. | 95 / 1 | 54 | 83 | Drupal 5 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Google Ads, unpkg CDN, Google Fonts | |
| https://openi.nlm.nih.govDepartment of Health and Human Services | 441265 | poor | 14 / 70 daysTotal time users spent waiting for this page to load: 13.8s LCP × 441,265 page loads. | 55 / 6 | 96 | 67 | 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://usajobs.govOffice of Personnel Management | 421099 | needs improvement | 82 / 14 daysTotal time users spent waiting for this page to load: 2.8s LCP × 421,099 page loads. | 96 / 1 | 96 | 92 | 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://secure.ssa.govSocial Security Administration | 383760 | poor | 53 / 29 daysTotal time users spent waiting for this page to load: 6.5s LCP × 383,760 page loads. | 91 / 3 | 73 | 85 | Drupal 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads, jsDelivr CDN | |
| https://apod.nasa.govNational Aeronautics and Space Administration | 360095 | needs improvement | 87 / 16 daysTotal time users spent waiting for this page to load: 3.9s LCP × 360,095 page loads. | 88 / 1 | 100 | 100 | 2 3rd-partyThird-party services: Google Analytics, Digital Analytics Program | |
| https://justice.govDepartment of Justice | 341928 | poor | 39 / 88 daysTotal time users spent waiting for this page to load: 22.2s LCP × 341,928 page loads. | 91 / 3 | 73 | 100 | Drupal USWDS 7 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Google Ads, YouTube, jsDelivr CDN, unpkg CDN, Google Fonts | |
| https://science.nasa.govNational Aeronautics and Space Administration | 298600 | poor | 38 / 27 daysTotal time users spent waiting for this page to load: 7.9s LCP × 298,600 page loads. | 90 / 2 | 92 | 92 | WordPress USWDS 6 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads, YouTube, Google Fonts | |
| https://sam.govGeneral Services Administration | 298207 | poor | 38 / 23 daysTotal time users spent waiting for this page to load: 6.6s LCP × 298,207 page loads. | 97 / 1 | 92 | 83 | Drupal USWDS 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Google Ads, YouTube, Google Fonts | |
| https://uscis.govDepartment of Homeland Security | 291592 | poor | 13 / 91 daysTotal time users spent waiting for this page to load: 27.0s LCP × 291,592 page loads. | 96 / 1 | 73 | 85 | Drupal USWDS 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Facebook / Meta Pixel, YouTube | |
| https://cmr.earthdata.nasa.govNational Aeronautics and Space Administration | 287236 | poor | 41 / 59 daysTotal time users spent waiting for this page to load: 17.8s LCP × 287,236 page loads. | 93 / 1 | 100 | 73 | 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Fonts | |
| https://urs.earthdata.nasa.govNational Aeronautics and Space Administration | 281432 | poor | 38 / 44 daysTotal time users spent waiting for this page to load: 13.4s LCP × 281,432 page loads. | 95 / 1 | 92 | 100 | 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Fonts | |
| https://preview-forecast.weather.govDepartment of Commerce | 281143 | poor | 59 / 27 daysTotal time users spent waiting for this page to load: 8.4s LCP × 281,143 page loads. | 67 / 4 | 85 | 73 | 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, YouTube | |
| https://myaccount.uscis.govDepartment of Homeland Security | 273139 | poor | 48 / 31 daysTotal time users spent waiting for this page to load: 9.9s LCP × 273,139 page loads. | 100 | 73 | 100 | 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads, Google Fonts | |
| https://earthquake.usgs.govDepartment of the Interior | 265158 | unknown | — | — | — | — | ||
| https://waterdata.usgs.govDepartment of the Interior | 256074 | poor | 57 / 13 daysTotal time users spent waiting for this page to load: 4.3s LCP × 256,074 page loads. | 95 / 1 | 100 | 100 | USWDS 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, YouTube | |
| https://nasa.govNational Aeronautics and Space Administration | 250974 | poor | 55 / 65 daysTotal time users spent waiting for this page to load: 22.3s LCP × 250,974 page loads. | 95 / 1 | 96 | 100 | WordPress USWDS 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://heasarc.gsfc.nasa.govNational Aeronautics and Space Administration | 247685 | poor | 49 / 35 daysTotal time users spent waiting for this page to load: 12.3s LCP × 247,685 page loads. | 95 / 1 | 100 | 100 | USWDS 2 3rd-partyThird-party services: Google Analytics, Digital Analytics Program | |
| https://medicare.govDepartment of Health and Human Services | 245218 | poor | 29 / 65 daysTotal time users spent waiting for this page to load: 23.0s LCP × 245,218 page loads. | 97 / 2 | 54 | 92 | Drupal 5 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Google Ads, YouTube, Google Fonts | |
| https://marine.weather.govDepartment of Commerce | 244629 | poor | 57 / 25 daysTotal time users spent waiting for this page to load: 8.7s LCP × 244,629 page loads. | 67 / 4 | 85 | 73 | 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, YouTube | |
| https://egov.uscis.govDepartment of Homeland Security | 243075 | poor | 84 / 5 daysTotal time users spent waiting for this page to load: 1.6s LCP × 243,075 page loads. | 93 / 1 | 96 | 40 | ||
| https://esta.cbp.dhs.govDepartment of Homeland Security | 241718 | poor | 53 / 60 daysTotal time users spent waiting for this page to load: 21.4s LCP × 241,718 page loads. | 85 / 4 | 92 | 73 | 5 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Google Ads, YouTube, Google Fonts | |
| https://ais.usvisa-info.com | 221331 | poor | 47 / 36 daysTotal time users spent waiting for this page to load: 13.9s LCP × 221,331 page loads. | 100 | 100 | 100 | 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Google Fonts | |
| https://fda.govDepartment of Health and Human Services | 218651 | poor | 45 / 117 daysTotal time users spent waiting for this page to load: 46.3s LCP × 218,651 page loads. | 95 / 1 | 100 | 100 | 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads | |
| https://consumerfinance.govConsumer Financial Protection Bureau | 207085 | poor | 72 / 7 daysTotal time users spent waiting for this page to load: 3.0s LCP × 207,085 page loads. | 100 | 100 | 100 | 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, YouTube | |
| https://dea.govDepartment of Justice | 189266 | poor | 27 / 97 daysTotal time users spent waiting for this page to load: 44.1s LCP × 189,266 page loads. | 86 / 4 | 73 | 75 | Drupal USWDS 8 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads, Facebook / Meta Pixel, YouTube, cdnjs, Google Fonts | |
| https://www.va.govDepartment of Veterans Affairs | 179266 | poor | 29 / 10 daysTotal time users spent waiting for this page to load: 4.8s LCP × 179,266 page loads. | 100 | 100 | 100 | 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://tsa.govDepartment of Homeland Security | 177364 | poor | 12 / 36 daysTotal time users spent waiting for this page to load: 17.8s LCP × 177,364 page loads. | 100 | 73 | 92 | Drupal USWDS 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads, YouTube | |
| https://plus.nasa.govNational Aeronautics and Space Administration | 175561 | poor | 50 / 59 daysTotal time users spent waiting for this page to load: 29.1s LCP × 175,561 page loads. | 91 / 2 | 96 | 92 | WordPress 2 3rd-partyThird-party services: Google Analytics, Digital Analytics Program | |
| https://apps-sefsc.fisheries.noaa.govDepartment of Commerce | 174814 | poor | 39 / 38 daysTotal time users spent waiting for this page to load: 18.8s LCP × 174,814 page loads. | 95 / 1 | 96 | 100 | Drupal 6 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, YouTube, cdnjs, Google Fonts | |
| https://bls.govDepartment of Labor | 173571 | poor | 66 / 10 daysTotal time users spent waiting for this page to load: 4.9s LCP × 173,571 page loads. | 99 / 1 | 92 | 83 | 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, YouTube | |
| https://tsp.govFederal Retirement Thrift Investment Board | 173378 | poor | 29 / 36 daysTotal time users spent waiting for this page to load: 17.9s LCP × 173,378 page loads. | 90 / 2 | 100 | 92 | USWDS 2 3rd-partyThird-party services: Google Analytics, Digital Analytics Program | |
| https://gml.noaa.govDepartment of Commerce | 150335 | poor | 66 / 39 daysTotal time users spent waiting for this page to load: 22.7s LCP × 150,335 page loads. | 100 | 96 | 100 | WordPress 4 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, cdnjs, Google Fonts | |
| https://archives.govNational Archives and Records Administration | 148924 | poor | 35 / 19 daysTotal time users spent waiting for this page to load: 11.0s LCP × 148,924 page loads. | 97 | 81 | 91 | Drupal 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Fonts | |
| https://code.usgs.govDepartment of the Interior | 148771 | poor | 31 / 16 daysTotal time users spent waiting for this page to load: 9.6s LCP × 148,771 page loads. | 92 / 2 | 81 | 100 | 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, YouTube | |
| https://webbook.nist.govDepartment of Commerce | 142912 | needs improvement | 86 / 4 daysTotal time users spent waiting for this page to load: 2.1s LCP × 142,912 page loads. | 100 | 73 | 100 | USWDS 2 3rd-partyThird-party services: Google Analytics, Digital Analytics Program | |
| https://store.usps.com | 135948 | poor | 44 / 12 daysTotal time users spent waiting for this page to load: 7.8s LCP × 135,948 page loads. | 73 / 6 | 50 | 92 | 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads, Facebook / Meta Pixel | |
| https://federalregister.govGovernment Publishing Office | 133472 | poor | 43 / 14 daysTotal time users spent waiting for this page to load: 9.2s LCP × 133,472 page loads. | 79 / 5 | 100 | 83 | 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Google Fonts | |
| https://my.uscis.govDepartment of Homeland Security | 133299 | poor | 36 / 23 daysTotal time users spent waiting for this page to load: 15.0s LCP × 133,299 page loads. | 89 / 1 | 77 | 100 | USWDS 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads | |
| https://usgs.govDepartment of the Interior | 131824 | unknown | — | — | — | — | ||
| https://usa.govGeneral Services Administration | 131591 | poor | 67 / 6 daysTotal time users spent waiting for this page to load: 3.9s LCP × 131,591 page loads. | 98 | 100 | 100 | Drupal USWDS 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://preview.ncbi.nlm.nih.govDepartment of Health and Human Services | 130847 | poor | 51 / 17 daysTotal time users spent waiting for this page to load: 11.4s LCP × 130,847 page loads. | 91 / 2 | 96 | 58 | USWDS 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://itis.govSmithsonian Institution | 130451 | poor | 44 / 15 daysTotal time users spent waiting for this page to load: 9.9s LCP × 130,451 page loads. | 94 / 2 | 92 | 100 | 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, YouTube | |
| https://cbp.govDepartment of Homeland Security | 129505 | poor | 27 / 20 daysTotal time users spent waiting for this page to load: 13.7s LCP × 129,505 page loads. | 100 | 73 | 100 | Drupal USWDS 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, YouTube, jsDelivr CDN | |
| https://www.osti.govDepartment of Energy | 128305 | poor | 66 / 7 daysTotal time users spent waiting for this page to load: 5.0s LCP × 128,305 page loads. | 96 / 1 | 96 | 92 | Drupal 1 3rd-partyThird-party services: Google Analytics | |
| https://seer.cancer.govDepartment of Health and Human Services | 124321 | needs improvement | 85 / 3 daysTotal time users spent waiting for this page to load: 2.2s LCP × 124,321 page loads. | 97 / 2 | 73 | 100 | 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Twitter / X Widgets | |
| https://epa.govEnvironmental Protection Agency | 123997 | poor | 48 / 13 daysTotal time users spent waiting for this page to load: 9.3s LCP × 123,997 page loads. | 100 | 96 | 100 | Drupal 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://ttp.cbp.dhs.govDepartment of Homeland Security | 120860 | poor | 32 / 15 daysTotal time users spent waiting for this page to load: 11.0s LCP × 120,860 page loads. | 93 / 1 | 92 | 82 | USWDS 2 3rd-partyThird-party services: Google Analytics, Digital Analytics Program | |
| https://reg.usps.com | 117040 | poor | 5 / 13 daysTotal time users spent waiting for this page to load: 9.4s LCP × 117,040 page loads. | 93 / 2 | 92 | 54 | 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Google Ads | |
| https://nhtsa.govDepartment of Transportation | 113992 | poor | 37 / 20 daysTotal time users spent waiting for this page to load: 15.4s LCP × 113,992 page loads. | 89 / 4 | 50 | 100 | 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads | |
| https://aviationweather.govDepartment of Commerce | 113616 | poor | 56 / 9 daysTotal time users spent waiting for this page to load: 6.6s LCP × 113,616 page loads. | 92 / 2 | 100 | 100 | 2 3rd-partyThird-party services: Google Analytics, Digital Analytics Program | |
| https://fdic.govFederal Deposit Insurance Corporation | 108623 | poor | 40 / 10 daysTotal time users spent waiting for this page to load: 7.9s LCP × 108,623 page loads. | 94 / 2 | 73 | 92 | Drupal USWDS 5 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Adobe Analytics, Google Ads, jsDelivr CDN | |
| https://healthcare.govDepartment of Health and Human Services | 108477 | poor | 32 / 48 daysTotal time users spent waiting for this page to load: 37.9s LCP × 108,477 page loads. | 100 | 73 | 92 | 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Google Ads | |
| https://ftc.govFederal Trade Commission | 105664 | poor | 36 / 23 daysTotal time users spent waiting for this page to load: 19.1s LCP × 105,664 page loads. | 96 / 1 | 92 | 100 | Drupal USWDS 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Fonts | |
| https://ustraveldocs.com | 103595 | poor | 39 / 15 daysTotal time users spent waiting for this page to load: 12.2s LCP × 103,595 page loads. | 100 | 92 | 91 | 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, YouTube, Google Fonts | |
| https://trace.ncbi.nlm.nih.govDepartment of Health and Human Services | 102770 | unknown | — | — | — | — | ||
| https://eric.ed.govDepartment of Education | 101074 | poor | 71 / 5 daysTotal time users spent waiting for this page to load: 4.3s LCP × 101,074 page loads. | 69 / 3 | 96 | 100 | 1 3rd-partyThird-party services: Google Analytics | |
| https://fbi.govDepartment of Justice | 100990 | poor | 46 / 27 daysTotal time users spent waiting for this page to load: 23.4s LCP × 100,990 page loads. | 89 / 2 | 81 | 69 | USWDS 2.9.0 5 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Google Ads, jsDelivr CDN, Google Fonts | |
| https://acis.eoir.justice.govDepartment of Justice | 100885 | poor | 62 / 8 daysTotal time users spent waiting for this page to load: 6.5s LCP × 100,885 page loads. | 100 | 58 | 100 | 2 3rd-partyThird-party services: Google Analytics, Digital Analytics Program | |
| https://army.mil | 99263 | unknown | — | — | — | — | ||
| https://noaa.govDepartment of Commerce | 98990 | poor | 36 / 12 daysTotal time users spent waiting for this page to load: 10.4s LCP × 98,990 page loads. | 100 | 92 | 100 | Drupal USWDS 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, jsDelivr CDN, Google Fonts | |
| https://fws.govDepartment of the Interior | 98427 | poor | 36 / 24 daysTotal time users spent waiting for this page to load: 20.8s LCP × 98,427 page loads. | 97 / 2 | 73 | 92 | 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, unpkg CDN, Google Fonts | |
| https://about.usps.com | 96857 | poor | 60 / 4 daysTotal time users spent waiting for this page to load: 3.3s LCP × 96,857 page loads. | 100 | 69 | 100 | 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads, Facebook / Meta Pixel | |
| https://blast.ncbi.nlm.nih.govDepartment of Health and Human Services | 96505 | poor | 43 / 19 daysTotal time users spent waiting for this page to load: 16.7s LCP × 96,505 page loads. | 91 / 2 | 96 | 100 | USWDS 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://spc.noaa.govDepartment of Commerce | 96335 | poor | 37 / 41 daysTotal time users spent waiting for this page to load: 37.0s LCP × 96,335 page loads. | 53 / 7 | 46 | 33 | 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Twitter / X Widgets | |
| https://sandia.govDepartment of Energy | 96106 | poor | 54 / 20 daysTotal time users spent waiting for this page to load: 17.9s LCP × 96,106 page loads. | 100 | 88 | 92 | WordPress 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, YouTube | |
| https://state.govDepartment of State | 95852 | poor | 38 / 25 daysTotal time users spent waiting for this page to load: 22.3s LCP × 95,852 page loads. | 96 / 2 | 92 | 92 | WordPress 7 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, ForeSee / Verint, Google Ads, YouTube, Google Fonts | |
| https://nsopw.govDepartment of Justice | 92021 | poor | 50 / 22 daysTotal time users spent waiting for this page to load: 20.8s LCP × 92,021 page loads. | 99 | 96 | 92 | USWDS 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://www.usajobs.govOffice of Personnel Management | 90781 | poor | 82 / 2 daysTotal time users spent waiting for this page to load: 2.4s LCP × 90,781 page loads. | 96 / 1 | 96 | 92 | 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program | |
| https://osti.govDepartment of Energy | 89876 | poor | 47 / 8 daysTotal time users spent waiting for this page to load: 8.0s LCP × 89,876 page loads. | 96 / 1 | 96 | 100 | Drupal 1 3rd-partyThird-party services: Google Analytics | |
| https://fas.usda.govDepartment of Agriculture | 89402 | poor | 44 / 6 daysTotal time users spent waiting for this page to load: 5.7s LCP × 89,402 page loads. | 97 / 2 | 100 | 83 | Drupal USWDS 2 3rd-partyThird-party services: Google Analytics, Digital Analytics Program | |
| https://census.govDepartment of Commerce | 87851 | poor | 36 / 12 daysTotal time users spent waiting for this page to load: 11.9s LCP × 87,851 page loads. | 83 / 5 | 50 | 92 | Adobe Experience Manager USWDS 4 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Adobe Analytics, Google Fonts | |
| https://usaspending.govDepartment of the Treasury | 87494 | poor | 31 / 18 daysTotal time users spent waiting for this page to load: 18.1s LCP × 87,494 page loads. | 90 / 4 | 100 | 100 | USWDS 5 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads, YouTube | |
| https://cancer.govDepartment of Health and Human Services | 87493 | poor | 78 / 4 daysTotal time users spent waiting for this page to load: 4.1s LCP × 87,493 page loads. | 97 / 2 | 100 | 92 | 4 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Adobe Analytics, Google Fonts | |
| https://ecfr.govGovernment Publishing Office | 85969 | poor | 47 / 9 daysTotal time users spent waiting for this page to load: 8.8s LCP × 85,969 page loads. | 99 | 100 | 83 | 3 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Google Fonts | |
| https://www.nist.govDepartment of Commerce | 82486 | poor | 48 / 15 daysTotal time users spent waiting for this page to load: 15.6s LCP × 82,486 page loads. | 95 / 1 | 58 | 92 | Drupal 2 3rd-partyThird-party services: Google Analytics, Google Tag Manager | |
| https://war.govDepartment of Defense | 80286 | poor | 35 / 30 daysTotal time users spent waiting for this page to load: 32.0s LCP × 80,286 page loads. | 97 / 1 | 77 | 91 | ASP.NET 6 3rd-partyThird-party services: Google Analytics, Digital Analytics Program, Google Ads, YouTube, jsDelivr CDN, Google Fonts | |
| https://dol.govDepartment of Labor | 79446 | poor | 29 / 27 daysTotal time users spent waiting for this page to load: 29.4s LCP × 79,446 page loads. | 100 | 58 | 92 | 6 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Twitter / X Widgets, jsDelivr CDN, Google Fonts | |
| https://faq.usps.com | 78162 | poor | 3 / 27 daysTotal time users spent waiting for this page to load: 29.7s LCP × 78,162 page loads. | 78 / 5 | 77 | 83 | 4 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program, Google Ads | |
| https://login.govGeneral Services Administration | 77399 | needs improvement | 83 / 3 daysTotal time users spent waiting for this page to load: 3.4s LCP × 77,399 page loads. | 100 | 100 | 92 | 3 3rd-partyThird-party services: Google Analytics, Google Tag Manager, Digital Analytics Program |
Detected Technologies
Technology signals detected from the network requests loaded by each scanned URL. CMS detection identifies WordPress, Drupal, Joomla, ASP.NET, SharePoint, Squarespace, Adobe Experience Manager, and TYPO3 from characteristic asset paths. USWDS detection identifies use of the U.S. Web Design System.
| CMS | URLs | Share | Avg Accessibility | Avg Performance | Avg Best Practices | Avg SEO |
|---|---|---|---|---|---|---|
| Drupal | 21Sites: apps-sefsc.fisheries.noaa.gov, archives.gov, cbp.gov, dea.gov, epa.gov, fas.usda.gov, fdic.gov, ftc.gov, justice.gov, medicare.gov, noaa.gov, osti.gov, sam.gov, secure.ssa.gov, ssa.gov, studentaid.gov, tsa.gov, usa.gov, uscis.gov, www.nist.gov, www.osti.gov | 22% | 96 | 38 | 81 | 92 |
| WordPress | 6Sites: gml.noaa.gov, nasa.gov, plus.nasa.gov, sandia.gov, science.nasa.gov, state.gov | 6% | 95 | 50 | 93 | 95 |
| Adobe Experience Manager | 1Sites: census.gov | 1% | 83 | 36 | 50 | 92 |
| ASP.NET | 1Sites: war.gov | 1% | 97 | 35 | 77 | 91 |
USWDS detected on 34 of 96 scanned URLs (35%).
Observed USWDS versions: 2.9.0Sites: fbi.gov. The latest release is available at github.com/uswds/uswds/releases.
Third-Party JavaScript Services
Third-party scripts detected from network requests loaded by scanned pages. These services may affect page performance, user privacy, and security posture.
9 services marked tracking send user data to third-party servers and may have privacy implications for site visitors.
| Service | Category | URLs | Share | Privacy | Size (avg / total) |
|---|---|---|---|---|---|
| Google Analytics | analytics | 93Sites: about.usps.com, acis.eoir.justice.gov, ais.usvisa-info.com, apod.nasa.gov, apps-sefsc.fisheries.noaa.gov, archives.gov, aviationweather.gov, blast.ncbi.nlm.nih.gov, bls.gov, cancer.gov, cbp.gov, cdc.gov, census.gov, clinicaltrials.gov, cmr.earthdata.nasa.gov, code.usgs.gov, consumerfinance.gov, dea.gov, dol.gov, ecfr.gov, epa.gov, eric.ed.gov, esta.cbp.dhs.gov, faq.usps.com, fas.usda.gov, fbi.gov, fda.gov, fdic.gov, federalregister.gov, forecast.weather.gov, ftc.gov, fws.gov, gml.noaa.gov, healthcare.gov, heasarc.gsfc.nasa.gov, informeddelivery.usps.com, irs.gov, itis.gov, justice.gov, login.gov, marine.weather.gov, medicare.gov, medlineplus.gov, my.uscis.gov, myaccount.uscis.gov, nasa.gov, ncbi.nlm.nih.gov, nhc.noaa.gov, nhtsa.gov, noaa.gov, nps.gov, nsopw.gov, openi.nlm.nih.gov, osti.gov, plus.nasa.gov, pmc.ncbi.nlm.nih.gov, preview-forecast.weather.gov, preview.ncbi.nlm.nih.gov, pubchem.ncbi.nlm.nih.gov, pubmed.ncbi.nlm.nih.gov, radar.weather.gov, reg.usps.com, sam.gov, sandia.gov, science.nasa.gov, sec.gov, secure.login.gov, secure.ssa.gov, seer.cancer.gov, spc.noaa.gov, ssa.gov, state.gov, store.usps.com, studentaid.gov, tsa.gov, tsp.gov, ttp.cbp.dhs.gov, urs.earthdata.nasa.gov, usa.gov, usajobs.gov, usaspending.gov, uscis.gov, usps.com, ustraveldocs.com, va.gov, war.gov, waterdata.usgs.gov, weather.gov, webbook.nist.gov, www.nist.gov, www.osti.gov, www.usajobs.gov, www.va.gov | 97% | tracking | 455 KB (14.8 TB total) |
| Digital Analytics Program | analytics | 85Sites: about.usps.com, acis.eoir.justice.gov, ais.usvisa-info.com, apod.nasa.gov, apps-sefsc.fisheries.noaa.gov, archives.gov, aviationweather.gov, blast.ncbi.nlm.nih.gov, bls.gov, cancer.gov, cbp.gov, cdc.gov, census.gov, clinicaltrials.gov, cmr.earthdata.nasa.gov, code.usgs.gov, consumerfinance.gov, dea.gov, dol.gov, ecfr.gov, epa.gov, esta.cbp.dhs.gov, faq.usps.com, fas.usda.gov, fbi.gov, fda.gov, fdic.gov, federalregister.gov, forecast.weather.gov, ftc.gov, gml.noaa.gov, healthcare.gov, heasarc.gsfc.nasa.gov, informeddelivery.usps.com, irs.gov, itis.gov, justice.gov, login.gov, marine.weather.gov, medicare.gov, medlineplus.gov, my.uscis.gov, myaccount.uscis.gov, nasa.gov, ncbi.nlm.nih.gov, nhc.noaa.gov, nhtsa.gov, noaa.gov, nps.gov, nsopw.gov, openi.nlm.nih.gov, plus.nasa.gov, pmc.ncbi.nlm.nih.gov, preview-forecast.weather.gov, preview.ncbi.nlm.nih.gov, pubchem.ncbi.nlm.nih.gov, pubmed.ncbi.nlm.nih.gov, radar.weather.gov, sandia.gov, science.nasa.gov, sec.gov, secure.ssa.gov, seer.cancer.gov, spc.noaa.gov, ssa.gov, state.gov, store.usps.com, studentaid.gov, tsa.gov, tsp.gov, ttp.cbp.dhs.gov, urs.earthdata.nasa.gov, usa.gov, usajobs.gov, usaspending.gov, uscis.gov, usps.com, ustraveldocs.com, va.gov, war.gov, waterdata.usgs.gov, weather.gov, webbook.nist.gov, www.usajobs.gov, www.va.gov | 89% | 14 KB (429.0 GB total) | |
| Google Tag Manager | analytics | 55Sites: about.usps.com, apps-sefsc.fisheries.noaa.gov, archives.gov, blast.ncbi.nlm.nih.gov, cbp.gov, clinicaltrials.gov, cmr.earthdata.nasa.gov, code.usgs.gov, consumerfinance.gov, dea.gov, dol.gov, epa.gov, faq.usps.com, fda.gov, ftc.gov, fws.gov, informeddelivery.usps.com, irs.gov, itis.gov, login.gov, medlineplus.gov, my.uscis.gov, myaccount.uscis.gov, nasa.gov, ncbi.nlm.nih.gov, nhtsa.gov, noaa.gov, nsopw.gov, openi.nlm.nih.gov, pmc.ncbi.nlm.nih.gov, preview.ncbi.nlm.nih.gov, pubchem.ncbi.nlm.nih.gov, pubmed.ncbi.nlm.nih.gov, reg.usps.com, sam.gov, science.nasa.gov, sec.gov, secure.ssa.gov, ssa.gov, state.gov, store.usps.com, tools.usps.com, tsa.gov, urs.earthdata.nasa.gov, usa.gov, usajobs.gov, usaspending.gov, uscis.gov, usps.com, ustraveldocs.com, va.gov, waterdata.usgs.gov, www.nist.gov, www.usajobs.gov, www.va.gov | 57% | tracking | 191 KB (5.2 TB total) |
| Google Fonts | fonts | 30Sites: ais.usvisa-info.com, apps-sefsc.fisheries.noaa.gov, archives.gov, cancer.gov, census.gov, clinicaltrials.gov, cmr.earthdata.nasa.gov, dea.gov, dol.gov, ecfr.gov, esta.cbp.dhs.gov, fbi.gov, federalregister.gov, ftc.gov, fws.gov, gml.noaa.gov, justice.gov, medicare.gov, myaccount.uscis.gov, ncbi.nlm.nih.gov, noaa.gov, nps.gov, sam.gov, science.nasa.gov, secure.login.gov, state.gov, studentaid.gov, urs.earthdata.nasa.gov, ustraveldocs.com, war.gov | 31% | tracking | 66 KB (495.3 GB total) |
| Google Ads | advertising | 27Sites: about.usps.com, dea.gov, esta.cbp.dhs.gov, faq.usps.com, fbi.gov, fda.gov, fdic.gov, healthcare.gov, informeddelivery.usps.com, justice.gov, medicare.gov, my.uscis.gov, myaccount.uscis.gov, nhtsa.gov, reg.usps.com, sam.gov, science.nasa.gov, secure.ssa.gov, ssa.gov, state.gov, store.usps.com, studentaid.gov, tools.usps.com, tsa.gov, usaspending.gov, usps.com, war.gov | 28% | tracking | 3 KB (29.4 GB total) |
| YouTube | social | 25Sites: apps-sefsc.fisheries.noaa.gov, bls.gov, cbp.gov, code.usgs.gov, consumerfinance.gov, dea.gov, esta.cbp.dhs.gov, forecast.weather.gov, itis.gov, justice.gov, marine.weather.gov, medicare.gov, preview-forecast.weather.gov, sam.gov, sandia.gov, science.nasa.gov, sec.gov, state.gov, tsa.gov, usaspending.gov, uscis.gov, ustraveldocs.com, war.gov, waterdata.usgs.gov, weather.gov | 26% | tracking | 65 KB (472.2 GB total) |
| jsDelivr CDN | cdn | 9Sites: cbp.gov, dol.gov, fbi.gov, fdic.gov, justice.gov, noaa.gov, secure.ssa.gov, ssa.gov, war.gov | 9% | 40 KB (72.1 GB total) | |
| Facebook / Meta Pixel | advertising | 5Sites: about.usps.com, dea.gov, store.usps.com, uscis.gov, usps.com | 5% | tracking | 222 KB (341.4 GB total) |
| unpkg CDN | cdn | 4Sites: fws.gov, justice.gov, nhc.noaa.gov, studentaid.gov | 4% | 5 KB (7.0 GB total) | |
| cdnjs | cdn | 3Sites: apps-sefsc.fisheries.noaa.gov, dea.gov, gml.noaa.gov | 3% | 66 KB (32.3 GB total) | |
| Twitter / X Widgets | social | 3Sites: dol.gov, seer.cancer.gov, spc.noaa.gov | 3% | tracking | 138 KB (39.5 GB total) |
| Adobe Analytics | analytics | 3Sites: cancer.gov, census.gov, fdic.gov | 3% | tracking | 61 KB (16.4 GB total) |
| Login.gov | government | 1Sites: secure.login.gov | 1% | 109 KB (92.1 GB total) | |
| ForeSee / Verint | analytics | 1Sites: state.gov | 1% | tracking | 453 B (41.4 MB total) |
Accessibility Statements (M-24-08)
OMB Memorandum M-24-08 requires each federal agency to publish a digital accessibility statement that includes contact information for accessibility issues, known limitations, and a link to the agency Section 508 program page.
31 of 96 domains (32%) checked have a detectable accessibility statement at a standard URL path.
65 domains without a detectable accessibility statement:
- about.usps.com
- acis.eoir.justice.gov
- ais.usvisa-info.com
- apod.nasa.gov
- apps-sefsc.fisheries.noaa.gov
- archives.gov
- aviationweather.gov
- blast.ncbi.nlm.nih.gov
- bls.gov
- cancer.gov
- cbp.gov
- cdc.gov
- census.gov
- cmr.earthdata.nasa.gov
- dea.gov
- dol.gov
- egov.uscis.gov
- eric.ed.gov
- faq.usps.com
- fas.usda.gov
- fda.gov
- forecast.weather.gov
- ftc.gov
- fws.gov
- gml.noaa.gov
- heasarc.gsfc.nasa.gov
- informeddelivery.usps.com
- itis.gov
- justice.gov
- marine.weather.gov
- medicare.gov
- my.uscis.gov
- myaccount.uscis.gov
- ncbi.nlm.nih.gov
- nhc.noaa.gov
- nhtsa.gov
- noaa.gov
- nsopw.gov
- osti.gov
- plus.nasa.gov
- pmc.ncbi.nlm.nih.gov
- preview-forecast.weather.gov
- preview.ncbi.nlm.nih.gov
- pubchem.ncbi.nlm.nih.gov
- radar.weather.gov
- reg.usps.com
- sandia.gov
- sec.gov
- secure.login.gov
- seer.cancer.gov
- spc.noaa.gov
- ssa.gov
- state.gov
- store.usps.com
- travel.state.gov
- tsp.gov
- usajobs.gov
- uscis.gov
- usps.com
- war.gov
- waterdata.usgs.gov
- weather.gov
- webbook.nist.gov
- www.osti.gov
- www.usajobs.gov
Required Federal Links (M-17-06)
OMB Memorandum M-17-06 and the 21st Century IDEA Act require federal agency public websites to provide links to a Privacy Policy, Contact page, and FOIA page. These were among the compliance criteria benchmarked by the performance.gov federal website performance initiative (no longer active, but the underlying requirements remain in force).
52 of 96 domains (54%) have all three required link types detectable at standard URL paths.
| Link Type | Policy | Domains with Link | Missing Domains |
|---|---|---|---|
| Privacy Policy | OMB M-03-22 / M-17-06 | 56 / 96 (58%) | about.usps.com, acis.eoir.justice.gov, ais.usvisa-info.com, apod.nasa.gov, aviationweather.gov, blast.ncbi.nlm.nih.gov, cdc.gov, dea.gov, dol.gov, egov.uscis.gov, eric.ed.gov, faq.usps.com, forecast.weather.gov, gml.noaa.gov, heasarc.gsfc.nasa.gov, informeddelivery.usps.com, marine.weather.gov, my.uscis.gov, myaccount.uscis.gov, nsopw.gov, plus.nasa.gov, preview-forecast.weather.gov, preview.ncbi.nlm.nih.gov, pubchem.ncbi.nlm.nih.gov, pubmed.ncbi.nlm.nih.gov, radar.weather.gov, reg.usps.com, sam.gov, sandia.gov, sec.gov, secure.login.gov, seer.cancer.gov, ssa.gov, store.usps.com, travel.state.gov, war.gov, waterdata.usgs.gov, webbook.nist.gov, www.osti.gov, www.usajobs.gov |
| Contact Page | OMB M-17-06 | 58 / 96 (60%) | about.usps.com, acis.eoir.justice.gov, ais.usvisa-info.com, apod.nasa.gov, aviationweather.gov, blast.ncbi.nlm.nih.gov, cdc.gov, dea.gov, dol.gov, egov.uscis.gov, eric.ed.gov, faq.usps.com, forecast.weather.gov, gml.noaa.gov, heasarc.gsfc.nasa.gov, informeddelivery.usps.com, itis.gov, marine.weather.gov, my.uscis.gov, myaccount.uscis.gov, plus.nasa.gov, preview-forecast.weather.gov, preview.ncbi.nlm.nih.gov, pubchem.ncbi.nlm.nih.gov, pubmed.ncbi.nlm.nih.gov, radar.weather.gov, reg.usps.com, science.nasa.gov, sec.gov, secure.login.gov, ssa.gov, store.usps.com, travel.state.gov, war.gov, waterdata.usgs.gov, webbook.nist.gov, www.osti.gov, www.usajobs.gov |
| FOIA Page | 5 U.S.C. 552 | 53 / 96 (55%) | about.usps.com, acis.eoir.justice.gov, ais.usvisa-info.com, apod.nasa.gov, aviationweather.gov, blast.ncbi.nlm.nih.gov, cdc.gov, dea.gov, dol.gov, egov.uscis.gov, eric.ed.gov, faq.usps.com, forecast.weather.gov, gml.noaa.gov, heasarc.gsfc.nasa.gov, informeddelivery.usps.com, itis.gov, marine.weather.gov, my.uscis.gov, myaccount.uscis.gov, ncbi.nlm.nih.gov, nsopw.gov, plus.nasa.gov, pmc.ncbi.nlm.nih.gov, preview-forecast.weather.gov, preview.ncbi.nlm.nih.gov, pubchem.ncbi.nlm.nih.gov, pubmed.ncbi.nlm.nih.gov, radar.weather.gov, reg.usps.com, sam.gov, science.nasa.gov, sec.gov, secure.login.gov, seer.cancer.gov, ssa.gov, store.usps.com, travel.state.gov, war.gov, waterdata.usgs.gov, webbook.nist.gov, www.osti.gov, www.usajobs.gov |
Section 508: Legal Requirements vs. Best Practices
Section 508 of the Rehabilitation Act was enacted in 1998 and requires U.S. federal agencies to make their electronic and information technology accessible to people with disabilities. The technical standards were significantly updated through the ICT Accessibility Standards refresh, which became effective in January 2018 — the same year Apple celebrated the 10th anniversary of the iPhone. That refresh incorporated WCAG 2.0 Level AA (published in 2008) as the baseline for web content.
The web has changed dramatically since then. What agencies are legally required to meet today is built on a standard from 2008 — the same era as the original iPhone. Agencies should treat WCAG 2.0 AA as the floor, not the ceiling.
Legal Requirement
WCAG 2.0 Level AA (published 2008)
Referenced by the Section 508 ICT Standards refresh (effective 2018). Agencies must meet these 38 success criteria to satisfy their Section 508 obligations for web content.
- Text alternatives for non-text content
- Captions and audio descriptions for multimedia
- Keyboard accessibility and focus management
- Minimum color contrast (4.5:1 for normal text)
- No seizure-inducing content
- Consistent navigation and labeling
- Error identification and correction
Best Practices
WCAG 2.1 and 2.2 Level AA (published 2018 and 2023)
These later versions add criteria that reflect how the web actually works today — mobile devices, cognitive accessibility, and modern authentication patterns — and are strongly recommended for any agency aiming to serve all Americans. The US Federal Government is one of the last to use the legacy WCAG 2.0 AA Standard, as it was developed ~2 decades ago.
- WCAG 2.1 (2018): 17 new criteria for mobile, low vision, and cognitive accessibility
- WCAG 2.2 (2023): 9 more criteria for authentication and cognitive tasks, removing the outdated "Parsing" criterion
- W3C now recommends WCAG 2.2 as the current normative standard for new and updated content
The scores and findings in this report are based on automated checks aligned with WCAG 2.x rules surfaced by axe-core. Passing automated checks is necessary but not sufficient: manual testing with assistive technologies is required to verify true conformance and to catch barriers that automation cannot detect.
About These Reports
The Digital Analytics Program (DAP) is a U.S. government analytics service that collects website traffic data across participating federal agencies. DAP tracks page views, visitor counts, and usage patterns for hundreds of government websites, providing transparency into how the public engages with federal digital services. The traffic data is publicly available at analytics.usa.gov.
This report measures the quality and accessibility of the top 100 most-visited U.S. government URLs as reported by DAP. Each day, Lighthouse scans are run against these URLs to measure:
- Performance - How fast pages load for users (scores 0-100, higher is better)
- Accessibility - How well pages work for users with disabilities, following WCAG guidelines (scores 0-100, higher is better)
- Best Practices - Whether pages follow modern web development standards (scores 0-100, higher is better)
- SEO - How well pages are optimized for search engines (scores 0-100, higher is better)
Accessibility findings come from axe-core, the industry-standard accessibility testing engine embedded in Lighthouse. The axe findings surface specific WCAG violations such as missing alternative text, insufficient color contrast, and missing form labels that make government websites harder to use for people with disabilities.
Traffic data reflects daily visitor counts from DAP. URLs are ranked by page load count, ensuring the most-used government pages are prioritized for quality measurement.
Take Action
Today's scan identified 221 accessibility barriers across the most-visited U.S. government websites, affecting an estimated ~2,710,000 Americans with disabilities. Here is how you can help.
- Read the federal accessibility report. The 2025 Governmentwide Section 508 Assessment from the GSA Administrator details the state of federal accessibility compliance and the steps agencies are taking to improve.
- Submit URLs you care about. Want specific government pages included in future scans? Submit them to the Open Scans project to help broaden coverage.
- Test with free tools. Do your own automated and manual accessibility testing with Accessibility Insights and Google Lighthouse. Automated tools catch a significant portion of WCAG failures quickly; manual review with assistive technologies catches the rest.
- Adopt and update the U.S. Web Design System (USWDS). The USWDS is already a strong foundation for accessible, consistent federal websites, but many agencies have not adopted it or are running outdated versions. Encourage your agency to adopt or upgrade so every American benefits from its accessibility work.
- Hire people with disabilities. People with disabilities are the ultimate experts on digital barriers. Bringing them into design, engineering, and testing teams — not just as consultants but as full-time employees — leads to more accessible products and services for everyone.