Sites like nih.gov

01 · Entity

About nih.gov

nih.gov

Wikidata: US government medical research agency

Top 1K · #138 English 10 technologies Crawled Nov 6, 2026

Visit nih.gov

Summary by Claude

Official website of the US National Institutes of Health, the federal biomedical research agency, providing information on research funding and grants, health topics, clinical trials, and the work of its institutes and centers.

Who it’s for

Researchers, health professionals, and the public

Business model

Government funded

• government medical research
• research grants
• biomedical research funding
• clinical trials
• health information
• NIH institutes and centers
• PubMed
• grant applications
• public health research

02 · Embedding space

Competitor map

Each alternative by how close its vector is to nih.gov’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

We can’t read nih.gov’s homepage (bot protection page), so it’s compared on what Wikidata and Wikipedia say about it.

1. 01
   National Cancer Institute cancer.gov Top 10K English

   Comprehensive Cancer Information - NCI

   Accurate, up-to-date, comprehensive cancer information from the U.S. government's principal agency for cancer research.

   • Google Search Console
   • Adobe Experience Platform Tags
   • Drupal
   • Google Fonts
   • Meta Business Suite
   • nginx

   0 say National Cancer Institute is a good alternative to nih.gov 0 say National Cancer Institute isn’t a real alternative to nih.gov

   Comment
   Very close cos 0.942
2. 02
   CDC cdc.gov Top 1K English

   Centers for Disease Control and Prevention | CDC

   United States government public health agency

   • Adobe
   • Apple Business
   • Atlassian
   • Google Search Console
   • Microsoft 365
   • OpenAI

   0 say CDC is a good alternative to nih.gov 0 say CDC isn’t a real alternative to nih.gov

   Comment
   Very close cos 0.938
3. 03
   NSF nsf.gov Top 10K English

   NSF - U.S. National Science Foundation

   NSF is an independent federal agency that supports science and engineering in all 50 states and U.S. territories.

   • Adobe
   • Atlassian
   • Google Search Console
   • Microsoft 365
   • Amazon SES
   • Apache HTTP Server

   0 say NSF is a good alternative to nih.gov 0 say NSF isn’t a real alternative to nih.gov

   Comment
   Very close cos 0.928
4. 04
   MedlinePlus medlineplus.gov Top 10K English

   MedlinePlus - Health Information from the National Library of Medicine

   Find information on health conditions, wellness issues, and more in easy-to-read language on MedlinePlus, the up-to-date, trusted health information site from the NIH and the National Library of Medicine.

   • Google Search Console
   • Amazon Web Services
   • Bing Webmaster Tools
   • Amazon CloudFront
   • Google Tag Manager
   • jQuery

   0 say MedlinePlus is a good alternative to nih.gov 0 say MedlinePlus isn’t a real alternative to nih.gov

   Comment
   Very close cos 0.925
5. 05
   National Academies nationalacademies.org Top 10K English

   National Academies of Sciences, Engineering, and Medicine

   Our work helps shape sound policies, inform public opinion, and advance the pursuit of science, engineering, and medicine.

   • Google Search Console
   • Microsoft 365
   • Akamai
   • Akamai Edge DNS
   • Google Tag Manager
   • HubSpot

   0 say National Academies is a good alternative to nih.gov 0 say National Academies isn’t a real alternative to nih.gov

   Comment
   Very close cos 0.920
6. 06
   ClinicalTrials.gov clinicaltrials.gov Top 10K English

   ClinicalTrials.gov

   United States government registry of clinical trials

   • Google Search Console
   • Google Cloud
   • Google Cloud DNS
   • Google Fonts

   0 say ClinicalTrials.gov is a good alternative to nih.gov 0 say ClinicalTrials.gov isn’t a real alternative to nih.gov

   Comment
   Very close cos 0.919
7. 07
   CNRS cnrs.fr Top 10K English

   Centre national de la recherche scientifique (CNRS)

   Le Centre national de la recherche scientifique est le plus grand organisme public français de recherche scientifique. Il exerce son activité dans

   • Google Search Console
   • Microsoft 365
   • Drupal
   • jQuery
   • Matomo
   • PHP

   0 say CNRS is a good alternative to nih.gov 0 say CNRS isn’t a real alternative to nih.gov

   Comment
   Very close cos 0.918
8. 08
   CMS cms.gov Top 10K English

   Home - Centers for Medicare & Medicaid Services | CMS

   United States federal agency

   • Google Search Console
   • Microsoft 365
   • Webex
   • Akamai
   • Akamai Edge DNS
   • Drupal

   0 say CMS is a good alternative to nih.gov 0 say CMS isn’t a real alternative to nih.gov

   Comment
   Very close cos 0.914
9. 09
   United States Department of Energy energy.gov Top 10K English

   Department of Energy

   U.S. Department of Energy - Home

   • Apple Business
   • Google Search Console
   • Microsoft 365
   • Webex
   • Apache HTTP Server
   • Amazon CloudFront

   0 say United States Department of Energy is a good alternative to nih.gov 0 say United States Department of Energy isn’t a real alternative to nih.gov

   Comment
   Very close cos 0.909
10. 10
    www.nhs.uk Top 10K English

    NHS website for England - NHS

    Find information and services to help you manage your health.

    • Google Search Console
    • Adobe Experience Platform Tags
    • Akamai Bot Manager
    • Azure Front Door

    0 say www.nhs.uk is a good alternative to nih.gov 0 say www.nhs.uk isn’t a real alternative to nih.gov

    Comment
    Very close cos 0.906
11. 11
    National Archives and Records Administration archives.gov Top 10K English

    National Archives | Home

    National Archives and Records Administration

    • Google Search Console
    • Bootstrap
    • Amazon CloudFront
    • Google Fonts
    • Google Tag Manager
    • jQuery

    0 say National Archives and Records Administration is a good alternative to nih.gov 0 say National Archives and Records Administration isn’t a real alternative to nih.gov

    Comment
    Very close cos 0.908
12. 12
    Europe PubMed Central europepmc.org Top 10K English

    database of biomedical research

    • Cloudflare
    • Amazon Route 53

    0 say Europe PubMed Central is a good alternative to nih.gov 0 say Europe PubMed Central isn’t a real alternative to nih.gov

    Comment
    Very close cos 0.905
13. 13
    United States Department of State state.gov Top 1K English

    Technical Difficulties

    executive department of the U.S. federal government

    • Adobe
    • Apple Business
    • Atlassian
    • DocuSign
    • Google Search Console
    • Microsoft 365

    0 say United States Department of State is a good alternative to nih.gov 0 say United States Department of State isn’t a real alternative to nih.gov

    Comment
    Very close cos 0.906
14. 14
    World Health Organization who.int Top 1K English

    World Health Organization (WHO)

    The United Nations agency working to promote health, keep the world safe and serve the vulnerable

    • Apple Business
    • Atlassian
    • Cloudflare
    • DocuSign
    • Google Search Console
    • Microsoft 365

    0 say World Health Organization is a good alternative to nih.gov 0 say World Health Organization isn’t a real alternative to nih.gov

    Comment
    Very close cos 0.904
15. 15
    Healthline healthline.com Top 10K English

    Healthline: Medical information and health advice you can trust.

    We're committed to being your source for expert health guidance. Come to us in your pursuit of wellness.

    • Adobe
    • Apple Business
    • Atlassian
    • DocuSign
    • Google Search Console
    • Microsoft 365

    0 say Healthline is a good alternative to nih.gov 0 say Healthline isn’t a real alternative to nih.gov

    Comment
    Very close cos 0.906
16. 16
    Military Health System health.mil Top 10K English

    MHS Home | Health.mil

    The Health.mil is the official website of the Military Health System. The Military Health System is one of America’s largest and most complex health care institutions, and the world’s preeminent military health care delivery operation. Our MHS saves lives on the battlefield, combats infectious disease around the world, and is responsible for providing health services to approximately 9.5 million beneficiaries, composed of uniformed service members, military retirees, and family members.

    • Microsoft 365
    • ASP.NET
    • Google Analytics
    • Google Tag Manager
    • jQuery
    • Sitecore

    0 say Military Health System is a good alternative to nih.gov 0 say Military Health System isn’t a real alternative to nih.gov

    Comment
    Very close cos 0.903
17. 17
    CIA cia.gov Top 10K English

    CIA

    national foreign intelligence agency of the United States

    • Akamai
    • Akamai Edge DNS
    • Gatsby
    • React

    0 say CIA is a good alternative to nih.gov 0 say CIA isn’t a real alternative to nih.gov

    Comment
    Very close cos 0.903
18. 18
    Smithsonian Institution si.edu Top 10K English

    Smithsonian request verification

    group of museums and research centers administered by the United States government

    • Adobe
    • Apple Business
    • Atlassian
    • Cloudflare
    • DocuSign
    • Google Search Console

    0 say Smithsonian Institution is a good alternative to nih.gov 0 say Smithsonian Institution isn’t a real alternative to nih.gov

    Comment
    Very close cos 0.902
19. 19
    medRxiv medrxiv.org Top 10K English

    medRxiv.org - the preprint server for Health Sciences

    medRxiv - the preprint server for biology, operated by openRxiv, a nonprofit organization dedicated to advancing scientific communication

    • Cloudflare
    • Google Search Console
    • Microsoft 365
    • Cloudflare DNS
    • Drupal
    • Font Awesome

    0 say medRxiv is a good alternative to nih.gov 0 say medRxiv isn’t a real alternative to nih.gov

    Comment
    Very close cos 0.902
20. 20
    usa.gov Top 10K English

    Making government services easier to find | USAGov

    Find government benefits, services, agencies, and information at USA.gov. Contact elected officials. Learn about passports, Social Security, taxes, and more.

    • Google Search Console
    • Microsoft 365
    • Amazon SES
    • Bing Webmaster Tools
    • Amazon CloudFront
    • Drupal

    0 say usa.gov is a good alternative to nih.gov 0 say usa.gov isn’t a real alternative to nih.gov

    Comment
    Very close cos 0.902

Ranked by score: the cosine similarity of each site’s vector to nih.gov’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones nih.gov uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What nih.gov is built with, and what its closest competitors use, from its homepage’s code and its DNS records.