nih.gov: image inventory

Unique images encountered on scanned pages in 2026-W38, deduplicated by URL and Alt — the same image reused across pages with the same explanation is one row. Images with alternate captions are split into separate rows. Download: CSV · JSON.

Image alt-text coverage across 22 page(s) scanned in 2026-W38.
Category	Count	Share
Total image occurrences	327	—
Unique images	43	—
Has alt text	325	99%
Decorative (alt="")	0	0%
Missing alt attribute	2	1%

Alt-text quality

Beyond present-vs-missing, each unique image's alt text is classified for quality. Filenames, redundant phrasing ("image of…"), and too-short or too-long values are technically present but unhelpful — the cases a human should rewrite. Decorative and "looks good" are not problems.

Alt-text quality across 43 unique image(s).
Verdict	Images	Share	What it means
Missing alt	2	5%	No alt attribute — a screen reader may announce the filename.
Redundant / meaningless	3	7%	Phrases like "image of…" or bare values like "photo" add nothing.
Too short	2	5%	A single character or word unlikely to convey the image's meaning.
Too long	2	5%	So long it probably belongs in a caption or a separate description.
Looks good	34	79%	Present, plausible, no red flags (still worth a human spot-check).

Image detail

Up to 500 unique image occurrences from 22 page(s) scanned, most-reused first. — click a column heading to sort

https://www.nih.gov/themes/custom/nih2_uswds/assets/img/usa-icons-bg/search--white.svg	Search the NIH Website	Looks good	—	0 KB	22	33
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/nih-logo.png	Home	Looks good	—	29 KB	22	22
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/nih-mark-reversed.png	Logo of the National Institutes of Health	Redundant / meaningless	—	3 KB	22	22
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/usa-icons/instagram.svg	Instagram	Looks good	—	2 KB	22	22
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/icon-https.svg	Https	Looks good	—	1 KB	22	22
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/icon-dot-gov.svg	Dot gov	Looks good	—	1 KB	22	22
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/usa-icons/youtube.svg	YouTube	Looks good	—	1 KB	22	22
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/close.svg	close	Looks good	—	0 KB	22	22
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/usa-icons/flickr.svg	Flickr	Looks good	—	0 KB	22	22
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/us_flag.svg	U.S. flag	Looks good	—	0 KB	22	22
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/usa-icons/x.svg	X	Too short	—	0 KB	22	22
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/usa-icons/facebook.svg	Facebook	Looks good	—	0 KB	22	22
https://www.nih.gov/themes/custom/nih2_uswds/assets/img/usa-icons/rss_feed.svg	RSS	Too short	—	0 KB	22	22
https://www.nih.gov/sites/default/files/styles/teaser_900x527/public/2026-09/20260911-bone-marrow.png?itok=hHtPMysX	Magnification of an engineered bone marrow-on-a-chip includes a network of green-labeled blood vessels and patches of magenta-labeled cellular niches	Looks good	eager	777 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_1300x1300/public/2026-01/heal-use-cases-data-ecosystem.png?itok=ahWEjoIj	A graphic showing use case examples for the data ecosystem, segmented by Community Leader: prevent opioid overdoses, look for proven interventions that could work in your community. Clinician: learn about new treatment options, review clinical trial results that may help you guide treatment options for patients. Policymaker: monitor research progress, browse results that could inform policy changes or resource redistributions. Researcher: discover candidate pain therapeutic targets, compare data.	Too long	eager	577 KB	1	1
https://www.nih.gov/sites/default/files/styles/teaser_900x527/public/2026-09/20260914-nidcd.png?itok=VXOS6OPu	A person with a brain implant views a screen displaying a human avatar	Looks good	eager	548 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_1300x1300/public/2026-01/heal-data-ecosystem-diagram.png?itok=WU16t7j1	Image shows the players involved in the HEAL data ecosystem. HEAL investigators are generating data, the HEAL Platform is being built by the University of Chicago team and will provide a web interface to search for and analyze HEAL results and data. The Platform will connect to HEAL-generated data stored in various secured repositories. The HEAL-funded RENCI/RTI team will provide data management, stewardship, and support to help investigators make their data FAIR and to connect to the Platform.	Too long	eager	358 KB	1	1
https://www.nih.gov/sites/default/files/styles/teaser_900x527/public/2026-09/20260914-sexuality.jpg?itok=ifGOflU9	Image of a computer.	Redundant / meaningless	eager	131 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-03/2020314-depression.png?itok=8NbBHkgL	Neuron with 5-HT2A receptors inside	Looks good	eager	51 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_650x650/public/2025-03/heart-lung-kidney-health--heart-disease-cropped.jpg?itok=Qy_TmFXm	A male nurse puts a blood pressure cuff on a woman's left arm.	Looks good	eager	37 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_650x650/public/2025-03/heart-lung-kidney-health--diabetes-prevention.jpg?itok=-3COzV8u	Finger pricked for a blood sugar test in a person with diabetes.	Looks good	eager	32 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_650x650/public/2025-03/heart-lung-kidney-health--type-1-diabetes.jpg?itok=4aCX4OhV	Continuous glucose monitor and insulin pump.	Looks good	eager	26 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2026-09/20260908-stock.jpg?itok=ElIbcLjZ	A disintegrating cell structure lined with tau proteins that become hyperphosphorylated and form tangles.	Looks good	eager	24 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_650x650/public/2024-12/heart-lung-kidney-health--type-2-diabetes-cropped.jpg?itok=W6X12fc7	A 2D depiction of the chemical structure of glucagon	Looks good	eager	24 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_650x650/public/2025-03/heart-lung-kidney-health--congenital-heart-disease.jpg?itok=4FyAyaHU	Doctor using a stethoscope to listen to a child’s heart.	Looks good	eager	23 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_650x650/public/2025-03/heart-lung-kidney-health--aspirin-guidance.jpg?itok=Uyyo8sEd	Older woman holding a single tablet and looking at a bottle of aspirin.	Looks good	eager	22 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_650x650/public/2025-03/heart-lung-kidney-health--artificial-heart-valves.jpg?itok=khG8_hrJ	Dr. Nina Braunwald holding medical equipment; Dr. Braunwald was the first woman to perform open-heart surgery.	Looks good	eager	21 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-02/20180918-regrowth.jpg?itok=7xNwgY1O	Microscope image of axons growing across a spinal cord injury	Looks good	eager	20 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-03/20190521-whole.jpg?itok=HulOfLOZ	Meal of minimally processed food	Looks good	eager	19 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-01/20180308-ebola.jpg?itok=naoqBle7	Microscopic image for Ebola virus particles.	Looks good	eager	18 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-03/20210223-humidity-mask-stock.jpg?itok=Ld9jXoIo	Two skiers with face masks on each side of a chair lift	Looks good	eager	16 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-03/20190521-processed.jpg?itok=MXPjBuse	Meal of ultra-processed food	Looks good	eager	16 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-02/20180410-basilica-stock.jpg?itok=9LP0dddy	Team of surgeons operating	Looks good	eager	16 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-03/20210219-dementia.jpg?itok=Ck8rd04q	Woman helping senior with papaerwork	Looks good	eager	14 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2026-09/20260908-microbiom.jpg?itok=XRvCmXSx	Illustration of orange, red, and tan microbes in the gut.	Looks good	eager	13 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-03/20200107-cria.jpg?itok=EQ96dayG	Father and toddler consulting with doctor	Looks good	eager	13 KB	1	1
https://www.nih.gov/sites/default/files/styles/thumbnail_large/public/2024-12/newsinhealth-fanned-out.jpg?itok=DvFTBOva	missing	Missing alt	lazy	13 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2026-04/20260421-jonathan-green.jpg?itok=YkM1CtRh	Image of Dr. Jonathan M. Green	Redundant / meaningless	eager	12 KB	1	1
https://www.nih.gov/sites/default/files/styles/thumbnail_large/public/2024-12/researchmatters-collage-square.jpg?itok=2pX42waR	missing	Missing alt	lazy	11 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-03/20201208-cancer.jpg?itok=uqZgjzzt	Woman looking at tablet with a female physician	Looks good	eager	10 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-06/20250603-substance.jpg?itok=jZk-ULiE	Sad little girl looks straight ahead while her parents are arguing in the background.	Looks good	eager	9 KB	1	1
https://www.nih.gov/sites/default/files/styles/max_325x325/public/2025-02/20180410-basilica.jpg?itok=xouqQMBM	Illustration of the BASILICA procedure.	Looks good	eager	6 KB	1	1
https://www.nih.gov/core/misc/icons/e32700/error.svg	Image removed.	Looks good	—	1 KB	1	1