openpaymentsdata.cms.gov: Accessibility — week 2026-W28

Automated Accessibility Conformance Report (OpenACR): Download ACR. Machine-readable; compatible with GSA OpenACR tooling. Automated tools find ~⅓ of real barriers — supplement with manual AT testing.

Training priorities

Top WCAG success criteria by pages affected this week. Use these to focus team training on the highest-impact issues.

SC	Criterion	Pages	Rules	Notes
4.1.2	Name, Role, Value (ARIA)	145	3	Component inconsistency
1.4.8	WCAG 1.4.8	106	1
2.5.5	WCAG 2.5.5	106	1
1.3.1	Info and Relationships (semantic structure)	1	1

Next 10 actions

Clusters are fingerprinted by normalized selector path + rule id + snippet shape. Rank score = (severity weight × pages affected) / distinct components for the rule. This supersedes the template threshold heuristic while still surfacing it as a validation signal.

Top 10 clustered component fixes for this week.
Cluster	Severity	Pages	Who it affects	How to fix	Evidence	Decision
Buttons must have discernible text · unattributed component Fix one place, resolve ~51 finding(s) on 51 page(s). XPath / selector: `.ds-l-col--12 > div > .ds-u-display--flex:nth-child(1) > .ds-c-button--ghost.ds-c-button[type="button"]` `<button type="button" class="ds-c-button ds-c-button--ghost">`	Critical	51	Without vision, Limited vision, Limited manipulation/strength	Give the button an accessible name via its text content, aria-label, or aria-labelledby.	pages (CSV)	Decision Assigned to Notes
Form field label is visible · unattributed component Fix one place, resolve ~106 finding(s) on 106 page(s). XPath / selector: `{"type":"document","children":[{"type":"type","name":"html","publicId":null,"sys`	Moderate	106	Requires manual testing.	See remediation guidance: https://alfa.siteimprove.com/rules/sia-r61	pages (CSV)	Decision Assigned to Notes
All page content should be contained by landmarks · unattributed component Fix one place, resolve ~223 finding(s) on 223 page(s). XPath / selector: `.ds-u-md-margin-bottom--6` `<div class="ds-l-md-col--6 ds-u-md-margin-bottom--6 ds-u-margin-bottom--3"><p>To sign up for Open Payments updates or to access your subscriber preferences, please enter your email address.</p></div>`	Serious	223	Requires manual testing.	Wrap all page content in landmarks (header, nav, main, footer) so users can navigate by region.	pages (CSV)	Decision Assigned to Notes
All page content should be contained by landmarks · unattributed component Fix one place, resolve ~221 finding(s) on 221 page(s). XPath / selector: `.ds-u-fill--primary > .ds-l-container` `<div class="ds-l-container" style="z-index: 2; position: relative;">`	Serious	221	Requires manual testing.	Wrap all page content in landmarks (header, nav, main, footer) so users can navigate by region.	pages (CSV)	Decision Assigned to Notes
All page content should be contained by landmarks · unattributed component Fix one place, resolve ~164 finding(s) on 164 page(s). XPath / selector: `.ds-text-heading--lg` `<h3 class="ds-text-heading--lg ds-u-sm-margin-top--5 ds-u-margin-top--3 ds-l-col--12">Get updates from Open Payments</h3>`	Serious	164	Requires manual testing.	Wrap all page content in landmarks (header, nav, main, footer) so users can navigate by region.	pages (CSV)	Decision Assigned to Notes
aria-hidden element does not contain focusable elements · unattributed component Fix one place, resolve ~142 finding(s) on 71 page(s). XPath / selector: `<div id="tooltip-trigger--124" tabindex="-1" class="ds-c-tooltip" data-placement="bottom-start">`	Moderate	71	Without vision, Limited vision, Limited manipulation/strength	See remediation guidance: https://alfa.siteimprove.com/rules/sia-r17	pages (CSV)	Decision Assigned to Notes
aria-hidden element does not contain focusable elements · unattributed component Fix one place, resolve ~71 finding(s) on 71 page(s). XPath / selector: `<div aria-labelledby="overview__tab" aria-hidden="true" class="ds-c-tabs__panel ds-u-border--0 ds-u-padding-x--0" id="overview">`	Moderate	71	Without vision, Limited vision, Limited manipulation/strength	See remediation guidance: https://alfa.siteimprove.com/rules/sia-r17	pages (CSV)	Decision Assigned to Notes
Scrolling content can be accessed by keyboard · unattributed component Fix one place, resolve ~106 finding(s) on 106 page(s). XPath / selector: `text: "Get updates from Open Payments"`	Moderate	106	Requires manual testing.	See remediation guidance: https://alfa.siteimprove.com/rules/sia-r57	pages (CSV)	Decision Assigned to Notes
Scrolling content can be accessed by keyboard · unattributed component Fix one place, resolve ~106 finding(s) on 106 page(s). XPath / selector: `text: "To sign up for Open Payments updates or to access your subscriber preferences, please enter your email address."`	Moderate	106	Requires manual testing.	See remediation guidance: https://alfa.siteimprove.com/rules/sia-r57	pages (CSV)	Decision Assigned to Notes
Scrolling content can be accessed by keyboard · unattributed component Fix one place, resolve ~106 finding(s) on 106 page(s). XPath / selector: `text: "Help us improve Open Payments"`	Moderate	106	Requires manual testing.	See remediation guidance: https://alfa.siteimprove.com/rules/sia-r57	pages (CSV)	Decision Assigned to Notes

Bug reports

5 issue type(s) are shown by default out of 10 total. Prioritized by severity, key pages, WCAG level, and prevalence; use the toggle to show everything.

Overall severity mix: 1 critical, 2 serious, 7 moderate. By WCAG category: 4 WCAG 2.0 A, 2 WCAG 2.x AAA, 1 Best Practice, 3 Undetermined. Ordered by severity, key-page impact, WCAG level, and prevalence. Following accessibility bug-reporting best practices. Download: Markdown · JSON (full archive) · JSON (AI diagnostic) · CSV (all findings) · Priority pages CSV · Priority pages JSON.

Automated testing does not establish full WCAG conformance. Findings in the verification lane require manual testing before they are treated as confirmed failures.

Default view shows 5 prioritized issue type(s); 5 more are available if you switch to "Show everything".

1 finding(s) marked "possible duplicate" — Alfa and axe-core both flagged the same WCAG SC on overlapping pages. If they target the same element, the axe-core report is authoritative. Filter the CSV by possible_duplicate_of to see these. Two engines flagging the same barrier reduces the chance of a false positive.

Findings needing review

These findings need manual verification before they can be treated as confirmed failures. Obligation remains visible for each finding.

Critical axe button-name WCAG 2.0 A Buttons must have discernible text (WCAG 4.1.2) 51/327 pages · 51 instances Likely template

Bug ID: VS-d124dc81
Pattern ID: VS-e7298c00
Combined ID: VS-d124dc81 (pattern VS-e7298c00) — use this format in JIRA/spreadsheets to filter by instance or pattern
WCAG category: WCAG 2.0 A
Obligation: required
Handling: review
WCAG SC: 4.1.2 Name, Role, Value (Level A, WCAG 2.0)
Rule: axe-core — Buttons must have discernible text [button-name]
Example URL: https://openpaymentsdata.cms.gov/state/alabama
XPath / selector: .ds-l-col--12 > div > .ds-u-display--flex:nth-child(1) > .ds-c-button--ghost.ds-c-button[type="button"]
History: first seen 2026-W28, last seen 2026-W28 (1 wk)

HTML snippet — use this to validate the finding without re-running the tool

<button type="button" class="ds-c-button ds-c-button--ghost">

Description

Buttons must have discernible text. Detected by axe-core rule button-name on 51 of 327 scanned pages (51 instances).

Steps to reproduce

Open https://openpaymentsdata.cms.gov/state/alabama.
Locate the element: .ds-l-col--12 > div > .ds-u-display--flex:nth-child(1) > .ds-c-button--ghost.ds-c-button[type="button"]
Confirm the axe-core finding for rule button-name against WCAG 4.1.2 Name, Role, Value.

Impact

Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%).

Without vision — 1.0% of population
Limited vision — 2.4% of population
Limited manipulation/strength — 13.0% of population

Affected pages

…and more — all 51 pages (CSV).

Testing environment

Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.

Suggested fix

How to fix: Give the button an accessible name via its text content, aria-label, or aria-labelledby.

See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/button-name?application=axeAPI

Triage status Notes

Serious axe list WCAG 2.0 A <ul> and <ol> must only directly contain <li>, <script> or <template> elements (WCAG 1.3.1) 1/327 pages · 1 instances Likely content

Bug ID: VS-75167228
Pattern ID: VS-a0bdbdf6
Combined ID: VS-75167228 (pattern VS-a0bdbdf6) — use this format in JIRA/spreadsheets to filter by instance or pattern
WCAG category: WCAG 2.0 A
Obligation: required
Handling: review
WCAG SC: 1.3.1 Info and Relationships (Level A, WCAG 2.0)
Rule: axe-core — <ul> and <ol> must only directly contain <li>, <script> or <template> elements [list]
Example URL: https://openpaymentsdata.cms.gov/datasets?keyword%5B%5D=2018
XPath / selector: ol
History: first seen 2026-W28, last seen 2026-W28 (1 wk)

HTML snippet — use this to validate the finding without re-running the tool

<ol class="dc-dataset-search-list ds-u-padding--0 ds-u-margin-top--0 ds-u-margin-bottom--4 ds-u-display--block" data-testid="results-list">

Description

<ul> and <ol> must only directly contain <li>, <script> or <template> elements. Detected by axe-core rule list on 1 of 327 scanned pages (1 instances).

Steps to reproduce

Open https://openpaymentsdata.cms.gov/datasets?keyword%5B%5D=2018.
Locate the element: ol
Confirm the axe-core finding for rule list against WCAG 1.3.1 Info and Relationships.

Impact

Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%).

Without vision — 1.0% of population
Limited vision — 2.4% of population
Limited cognitive, language, or learning ability — 11.0% of population

Affected pages

/datasets

Testing environment

Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.

Suggested fix

How to fix: Use <ul>/<ol> with only <li> children for lists; don't fake lists with <div>s.

See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/list?application=axeAPI

Triage status Notes

Serious axe region Best Practice All page content should be contained by landmarks (WCAG criterion undetermined) 223/327 pages · 669 instances Likely template

Bug ID: VS-31f235dc
Pattern ID: VS-f18df681
Combined ID: VS-31f235dc (pattern VS-f18df681) — use this format in JIRA/spreadsheets to filter by instance or pattern
WCAG category: Best Practice
Obligation: advisory
Handling: review
WCAG SC: Best Practice — not a WCAG requirement
Rule: axe-core — All page content should be contained by landmarks [region]
Example URL: https://openpaymentsdata.cms.gov/about
XPath / selector: .ds-u-sm-margin-top--5
History: first seen 2026-W24, last seen 2026-W28 (5 wk)

HTML snippet — use this to validate the finding without re-running the tool

<h3 class="ds-text-heading--lg ds-u-sm-margin-top--5 ds-u-margin-top--3 ds-l-col--12">Get updates from Open Payments</h3>

Description

All page content should be contained by landmarks. Detected by axe-core rule region on 223 of 327 scanned pages (669 instances).

Steps to reproduce

Open https://openpaymentsdata.cms.gov/about.
Locate the element: .ds-u-sm-margin-top--5
Confirm the axe-core finding for rule region.

Impact

Not captured by automated scan — requires manual testing.

Affected pages

…and more — all 223 pages (CSV).

Testing environment

Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.

Suggested fix

How to fix: Wrap all page content in landmarks (header, nav, main, footer) so users can navigate by region.

Drupal tip: Use Drupal's region system (header, navigation, main, sidebar, footer) and map each to an HTML5 landmark element in your theme's page.html.twig.

See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/region?application=axeAPI

Triage status Notes

Moderate alfa sia-r17 WCAG 2.0 A aria-hidden element does not contain focusable elements (WCAG 4.1.2) 71/327 pages · 355 instances · possible duplicate Likely template

Bug ID: VS-a1cece4d
Pattern ID: VS-f6cf30ff
Combined ID: VS-a1cece4d (pattern VS-f6cf30ff) — use this format in JIRA/spreadsheets to filter by instance or pattern
WCAG category: WCAG 2.0 A
Obligation: required
Handling: review
WCAG SC: 4.1.2 Name, Role, Value (Level A, WCAG 2.0)
Rule: Siteimprove Alfa — aria-hidden element does not contain focusable elements [sia-r17]
Example URL: https://openpaymentsdata.cms.gov/dataset/800aed1b-20ed-4d19-b0c9-dcd10f197ffc?page=5
XPath / selector: <div id="tooltip-trigger--124" tabindex="-1" class="ds-c-tooltip" data-placement="bottom-start">
History: first seen 2026-W24, last seen 2026-W28 (5 wk)
Possible duplicate: Same WCAG SC covered by axe report VS-d124dc81 (pattern VS-e7298c00). If axe and this engine flag the same element, the axe report takes precedence — mark this as duplicate in JIRA.

Description

aria-hidden element does not contain focusable elements. Detected by Siteimprove Alfa rule sia-r17 on 71 of 327 scanned pages (355 instances).

Steps to reproduce

Open https://openpaymentsdata.cms.gov/dataset/800aed1b-20ed-4d19-b0c9-dcd10f197ffc?page=5.
Locate the element: <div id="tooltip-trigger--124" tabindex="-1" class="ds-c-tooltip" data-placement="bottom-start">
Confirm the Siteimprove Alfa finding for rule sia-r17 against WCAG 4.1.2 Name, Role, Value.

Impact

Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%).

Without vision — 1.0% of population
Limited vision — 2.4% of population
Limited manipulation/strength — 13.0% of population

Affected pages

…and more — all 71 pages (CSV).

Testing environment

Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.

Suggested fix

See remediation guidance: https://alfa.siteimprove.com/rules/sia-r17

Triage status Notes

Moderate alfa sia-r12 WCAG 2.0 A Button has accessible name (WCAG 4.1.2) 23/327 pages · 23 instances Likely template

Bug ID: VS-f6238fb6
Pattern ID: VS-29f9f921
Combined ID: VS-f6238fb6 (pattern VS-29f9f921) — use this format in JIRA/spreadsheets to filter by instance or pattern
WCAG category: WCAG 2.0 A
Obligation: required
Handling: review
WCAG SC: 4.1.2 Name, Role, Value (Level A, WCAG 2.0)
Rule: Siteimprove Alfa — Button has accessible name [sia-r12]
Example URL: https://openpaymentsdata.cms.gov/state/alabama
XPath / selector: <button type="button" class="ds-c-button ds-c-button--ghost">
History: first seen 2026-W28, last seen 2026-W28 (1 wk)

Description

Button has accessible name. Detected by Siteimprove Alfa rule sia-r12 on 23 of 327 scanned pages (23 instances).

Steps to reproduce

Open https://openpaymentsdata.cms.gov/state/alabama.
Locate the element: <button type="button" class="ds-c-button ds-c-button--ghost">
Confirm the Siteimprove Alfa finding for rule sia-r12 against WCAG 4.1.2 Name, Role, Value.

Impact

Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%).

Without vision — 1.0% of population
Limited vision — 2.4% of population
Limited manipulation/strength — 13.0% of population

Affected pages

Testing environment

Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.

Suggested fix

How to fix: Give the button an accessible name via text, aria-label, or aria-labelledby.

See remediation guidance: https://alfa.siteimprove.com/rules/sia-r12

Triage status Notes

Moderate alfa sia-r111 WCAG 2.x AAA Target size is at least 44×44 CSS pixels (Enhanced) (WCAG 2.5.5) 106/327 pages · 2725 instances Likely template

Bug ID: VS-338da0fa
Pattern ID: VS-cb53cc4d
Combined ID: VS-338da0fa (pattern VS-cb53cc4d) — use this format in JIRA/spreadsheets to filter by instance or pattern
WCAG category: WCAG 2.x AAA
Obligation: aspirational
Handling: review
WCAG SC: 2.5.5 Target Size (Enhanced) (Level AAA, WCAG 2.1)
Rule: Siteimprove Alfa — Target size is at least 44×44 CSS pixels (Enhanced) [sia-r111]
Example URL: https://openpaymentsdata.cms.gov/about
XPath / selector: <a class="" href="/">
History: first seen 2026-W24, last seen 2026-W28 (5 wk)

Description

Target size is at least 44×44 CSS pixels (Enhanced). Detected by Siteimprove Alfa rule sia-r111 on 106 of 327 scanned pages (2725 instances).

Steps to reproduce

Open https://openpaymentsdata.cms.gov/about.
Locate the element: <a class="" href="/">
Confirm the Siteimprove Alfa finding for rule sia-r111 against WCAG 2.5.5 Target Size (Enhanced).

Impact

Not captured by automated scan — requires manual testing.

Affected pages

…and more — all 106 pages (CSV).

Testing environment

Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.

Suggested fix

See remediation guidance: https://alfa.siteimprove.com/rules/sia-r111

Triage status Notes

Moderate alfa sia-r73 WCAG 2.x AAA Text has minimum contrast ratio of 4.5:1 (WCAG 1.4.8) 106/327 pages · 933 instances Likely template

Bug ID: VS-eabcf38c
Pattern ID: VS-2208081b
Combined ID: VS-eabcf38c (pattern VS-2208081b) — use this format in JIRA/spreadsheets to filter by instance or pattern
WCAG category: WCAG 2.x AAA
Obligation: aspirational
Handling: review
WCAG SC: 1.4.8 Visual Presentation (Level AAA, WCAG 2.0)
Rule: Siteimprove Alfa — Text has minimum contrast ratio of 4.5:1 [sia-r73]
Example URL: https://openpaymentsdata.cms.gov/about
XPath / selector: <p class="ds-c-usa-banner__header-text">
History: first seen 2026-W24, last seen 2026-W28 (5 wk)

Description

Text has minimum contrast ratio of 4.5:1. Detected by Siteimprove Alfa rule sia-r73 on 106 of 327 scanned pages (933 instances).

Steps to reproduce

Open https://openpaymentsdata.cms.gov/about.
Locate the element: <p class="ds-c-usa-banner__header-text">
Confirm the Siteimprove Alfa finding for rule sia-r73 against WCAG 1.4.8 Visual Presentation.

Impact

Not captured by automated scan — requires manual testing.

Affected pages

…and more — all 106 pages (CSV).

Testing environment

Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.

Suggested fix

See remediation guidance: https://alfa.siteimprove.com/rules/sia-r73

Triage status Notes

Moderate alfa sia-r57 Undetermined Scrolling content can be accessed by keyboard (WCAG criterion undetermined) 106/327 pages · 530 instances Likely template

Bug ID: VS-31c4354e
Pattern ID: VS-c18be945
Combined ID: VS-31c4354e (pattern VS-c18be945) — use this format in JIRA/spreadsheets to filter by instance or pattern
WCAG category: Undetermined
Obligation: unmapped
Handling: review
WCAG SC: undetermined
Rule: Siteimprove Alfa — Scrolling content can be accessed by keyboard [sia-r57]
Example URL: https://openpaymentsdata.cms.gov/about
XPath / selector: text: "Get updates from Open Payments"
History: first seen 2026-W24, last seen 2026-W28 (5 wk)

Description

Scrolling content can be accessed by keyboard. Detected by Siteimprove Alfa rule sia-r57 on 106 of 327 scanned pages (530 instances).

Steps to reproduce

Open https://openpaymentsdata.cms.gov/about.
Locate the element: text: "Get updates from Open Payments"
Confirm the Siteimprove Alfa finding for rule sia-r57.

Impact

Not captured by automated scan — requires manual testing.

Affected pages

…and more — all 106 pages (CSV).

Testing environment

Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.

Suggested fix

See remediation guidance: https://alfa.siteimprove.com/rules/sia-r57

Triage status Notes

Moderate alfa sia-r61 Undetermined Form field label is visible (WCAG criterion undetermined) 106/327 pages · 106 instances Likely template

Bug ID: VS-27d83669
Pattern ID: VS-7118fead
Combined ID: VS-27d83669 (pattern VS-7118fead) — use this format in JIRA/spreadsheets to filter by instance or pattern
WCAG category: Undetermined
Obligation: unmapped
Handling: review
WCAG SC: undetermined
Rule: Siteimprove Alfa — Form field label is visible [sia-r61]
Example URL: https://openpaymentsdata.cms.gov/about
XPath / selector: {"type":"document","children":[{"type":"type","name":"html","publicId":null,"sys
History: first seen 2026-W24, last seen 2026-W28 (5 wk)

Description

Form field label is visible. Detected by Siteimprove Alfa rule sia-r61 on 106 of 327 scanned pages (106 instances).

Steps to reproduce

Open https://openpaymentsdata.cms.gov/about.
Locate the element: {"type":"document","children":[{"type":"type","name":"html","publicId":null,"sys
Confirm the Siteimprove Alfa finding for rule sia-r61.

Impact

Not captured by automated scan — requires manual testing.

Affected pages

…and more — all 106 pages (CSV).

Testing environment

Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.

Suggested fix

See remediation guidance: https://alfa.siteimprove.com/rules/sia-r61

Triage status Notes

Moderate alfa sia-r78 Undetermined Table header has scope (WCAG criterion undetermined) 1/327 pages · 1 instances Likely content

Bug ID: VS-89700613
Pattern ID: VS-2cd767ca
Combined ID: VS-89700613 (pattern VS-2cd767ca) — use this format in JIRA/spreadsheets to filter by instance or pattern
WCAG category: Undetermined
Obligation: unmapped
Handling: review
WCAG SC: undetermined
Rule: Siteimprove Alfa — Table header has scope [sia-r78]
Example URL: https://openpaymentsdata.cms.gov/
XPath / selector: <h3 class="ds-text-heading--2xl ds-u-margin-bottom--0">
History: first seen 2026-W24, last seen 2026-W28 (2 wk)

Description

Table header has scope. Detected by Siteimprove Alfa rule sia-r78 on 1 of 327 scanned pages (1 instances).

Steps to reproduce

Open https://openpaymentsdata.cms.gov/.
Locate the element: <h3 class="ds-text-heading--2xl ds-u-margin-bottom--0">
Confirm the Siteimprove Alfa finding for rule sia-r78.

Impact

Not captured by automated scan — requires manual testing.

Affected pages

Testing environment

Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.

Suggested fix

See remediation guidance: https://alfa.siteimprove.com/rules/sia-r78

Triage status Notes

Deque axe-core findings

Rule-level axe-core summary (3 rule type(s))

Each failing rule links out to the axe-core documentation. For full element-level detail including HTML snippets and XPaths, see the bug reports above.

axe-core rules failing in 2026-W28, by pages affected
Rule	Impact	Pages affected	Instances	Example pages	All affected
All page content should be contained by landmarks [region]	moderate	223	669	/about /dataset/df01c2f8-dc1f-4e79-96cb-8208beaf143c /dataset/800aed1b-20ed-4d19-b0c9-dcd10f197ffc	all 223 pages (CSV)
Buttons must have discernible text [button-name]	critical	51	51	/state/alabama /state/california /state/montana	all 51 pages (CSV)
<ul> and <ol> must only directly contain <li>, <script> or <template> elements [list]	serious	1	1	/datasets	all 1 pages (CSV)

Siteimprove Alfa findings

Rule-level Alfa summary (7 rule type(s))

Rule-level summary from Siteimprove Alfa (W3C ACT-based). Findings that overlap with axe-core on the same WCAG success criterion are noted as possible duplicates in the bug reports above.

Alfa rules failing in 2026-W28, by pages affected
Rule	Impact	Pages affected	Instances	Example pages	All affected
Target size is at least 44×44 CSS pixels (Enhanced) [sia-r111]	n/a	106	2725	/about /dataset/800aed1b-20ed-4d19-b0c9-dcd10f197ffc /datasets	all 106 pages (CSV)
Text has minimum contrast ratio of 4.5:1 [sia-r73]	n/a	106	933	/about /dataset/800aed1b-20ed-4d19-b0c9-dcd10f197ffc /datasets	all 106 pages (CSV)
Scrolling content can be accessed by keyboard [sia-r57]	n/a	106	530	/about /dataset/800aed1b-20ed-4d19-b0c9-dcd10f197ffc /datasets	all 106 pages (CSV)
Form field label is visible [sia-r61]	n/a	106	106	/about /dataset/800aed1b-20ed-4d19-b0c9-dcd10f197ffc /datasets	all 106 pages (CSV)
aria-hidden element does not contain focusable elements [sia-r17]	n/a	71	355	/dataset/800aed1b-20ed-4d19-b0c9-dcd10f197ffc /dataset/37792388-800f-427a-9e02-b11601454eeb /dataset/b0c03b8d-06df-58f2-8ce2-4daeffee147e	all 71 pages (CSV)
Button has accessible name [sia-r12]	n/a	23	23	/state/alabama /state/montana /state/nebraska	all 23 pages (CSV)
Table header has scope [sia-r78]	n/a	1	1	/	all 1 pages (CSV)

Unique accessibility issues (axe + Alfa consolidated)

axe and Alfa both implement W3C ACT rules, so the same issue is often caught by both. These are deduplicated by ACT rule and page, so a shared finding counts once (794 raw engine findings → 771 unique).

Unique issues (rule × page): 771
Caught by both engines: 23 highest confidence
axe only: 252
Alfa only: 496

1 rule type(s) caught by both engines — highest confidence

Two independent ACT-rule implementations (Deque axe-core and Siteimprove Alfa) flagged the same issue on the same pages. Agreement between separate engines is strong evidence the barrier is real, not a single-tool false positive — the best place to start.

Rules flagged by both axe-core and Alfa in 2026-W28, by pages affected.
Issue	Pages	Rule references
Buttons must have discernible text	51	axe button-name · Alfa sia-r12 · ACT 97a4e1