Sites like EPA

01 · Entity

About EPA

EPA epa.gov

U.S. Environmental Protection Agency | US EPA

Website of the U.S. Environmental Protection Agency (EPA). EPA's mission is to protect human health and the environment.

Wikidata: U.S. federal government agency

Top 1K · #907 English 9 technologies Crawled Nov 6, 2026

Visit EPA

Summary by Claude

Official website of the U.S. federal agency responsible for environmental protection, providing information on environmental regulations, air and drinking water standards, contaminated site cleanup, grants, news releases and careers.

Who it’s for

U.S. public, businesses, states and researchers

Business model

Government funded

• environmental regulation agency
• drinking water standards
• PFAS regulation
• air quality plans
• environmental grants
• Superfund site cleanup
• EPA news releases
• environmental regulations
• EPA careers

02 · Embedding space

Competitor map

Each alternative by how close its vector is to EPA’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.

1. 01
   CDC cdc.gov Top 1K English

   Centers for Disease Control and Prevention | CDC

   United States government public health agency

   • Adobe
   • Google Search Console
   • jQuery
   • Microsoft 365
   • Akamai Edge DNS
   • Apple Business

   0 say CDC is a good alternative to EPA 0 say CDC isn’t a real alternative to EPA

   Comment
   Very close cos 0.917
2. 02
   United States Department of Energy energy.gov Top 10K English

   Department of Energy

   U.S. Department of Energy - Home

   • Amazon CloudFront
   • Drupal
   • Google Search Console
   • Google Tag Manager
   • jQuery
   • Microsoft 365

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

   Comment
   Very close cos 0.912
3. 03
   United Nations Environment Programme unep.org Top 10K English

   United Nations organisation

   • Microsoft 365
   • Azure DNS
   • Cloudflare
   • HubSpot

   0 say United Nations Environment Programme is a good alternative to EPA 0 say United Nations Environment Programme isn’t a real alternative to EPA

   Comment
   Very close cos 0.910
4. 04
   Federal Emergency Management Agency fema.gov Top 10K English

   FEMA.gov | Federal Emergency Management Agency

   United States disaster response agency, part of Department of Homeland Security

   • Drupal
   • Google Search Console
   • Google Tag Manager
   • jQuery
   • Microsoft 365
   • PHP

   0 say Federal Emergency Management Agency is a good alternative to EPA 0 say Federal Emergency Management Agency isn’t a real alternative to EPA

   Comment
   Very close cos 0.907
5. 05
   United States Department of State state.gov Top 1K English

   Technical Difficulties

   executive department of the U.S. federal government

   • Adobe
   • Amazon CloudFront
   • Google Search Console
   • Microsoft 365
   • Akamai Edge DNS
   • Apple Business

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

   Comment
   Very close cos 0.909
6. 06
   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.

   • Amazon CloudFront
   • Drupal
   • Google Search Console
   • Google Tag Manager
   • Microsoft 365
   • PHP

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

   Comment
   Very close cos 0.906
7. 07
   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
   • Amazon CloudFront
   • Drupal
   • Google Search Console
   • Google Tag Manager
   • jQuery

   0 say NSF is a good alternative to EPA 0 say NSF isn’t a real alternative to EPA

   Comment
   Very close cos 0.903
8. 08
   dol.gov Top 10K English

   Home | U.S. Department of Labor

   U.S. federal department that regulates workers' rights and labor markets

   • Adobe
   • Amazon CloudFront
   • Drupal
   • Google Search Console
   • Google Tag Manager
   • Microsoft 365

   0 say dol.gov is a good alternative to EPA 0 say dol.gov isn’t a real alternative to EPA

   Comment
   Very close cos 0.904
9. 09
   Internal Revenue Service irs.gov Top 10K English

   Internal Revenue Service | An official website of the United States government

   Pay your taxes. Get your refund status. Find IRS forms and answers to tax questions. We help you understand and meet your federal tax responsibilities.

   • Drupal
   • Google Search Console
   • Google Tag Manager
   • PHP
   • Akamai
   • Akamai Bot Manager

   0 say Internal Revenue Service is a good alternative to EPA 0 say Internal Revenue Service isn’t a real alternative to EPA

   Comment
   Very close cos 0.901
10. 10
    White House whitehouse.gov Top 10K English

    The White House

    President Donald J. Trump and Vice President JD Vance are committed to lowering costs for all Americans, securing our borders, unleashing American energy dominance, restoring peace through strength, and making all Americans safe and secure once again.

    • Google Search Console
    • Google Tag Manager
    • Microsoft 365
    • nginx
    • PHP
    • Cloudflare DNS

    0 say White House is a good alternative to EPA 0 say White House isn’t a real alternative to EPA

    Comment
    Very close cos 0.901
11. 11
    National Park Service nps.gov Top 10K English

    NPS.gov Homepage (U.S. National Park Service)

    The National Park Service cares for special places saved by the American people so that all may experience our heritage.

    • Adobe
    • Amazon CloudFront
    • jQuery
    • Microsoft 365
    • Atlassian
    • Cloudflare DNS

    0 say National Park Service is a good alternative to EPA 0 say National Park Service isn’t a real alternative to EPA

    Comment
    Very close cos 0.899
12. 12
    United States Patent and Trademark Office uspto.gov Top 10K English

    United States Patent and Trademark Office

    Home page of the United States Patent and Trademark Office's main web site.

    • Adobe
    • Amazon CloudFront
    • Drupal
    • Google Search Console
    • jQuery
    • Microsoft 365

    0 say United States Patent and Trademark Office is a good alternative to EPA 0 say United States Patent and Trademark Office isn’t a real alternative to EPA

    Comment
    Very close cos 0.899
13. 13
    Small Business Administration sba.gov Top 10K English

    Homepage - Small Business Administration

    Powering American capital and entrepreneurship Learn more about how SBA is supporting small businesses Business resources SBA lenders Contracting Disaster

    • Amazon CloudFront
    • Google Search Console
    • Google Tag Manager
    • Microsoft 365
    • PHP
    • Amazon SES

    0 say Small Business Administration is a good alternative to EPA 0 say Small Business Administration isn’t a real alternative to EPA

    Comment
    Very close cos 0.897
14. 14
    United States federal courts uscourts.gov Top 10K English

    United States Courts

    third constitutional branch of government

    • Adobe
    • Drupal
    • Google Tag Manager
    • Microsoft 365
    • PHP
    • Akamai

    0 say United States federal courts is a good alternative to EPA 0 say United States federal courts isn’t a real alternative to EPA

    Comment
    Very close cos 0.899
15. 15
    GovInfo govinfo.gov Top 10K English

    GovInfo | U.S. Government Publishing Office

    U.S. Government Publishing Office

    • Drupal
    • Google Search Console
    • jQuery
    • PHP
    • Bootstrap
    • Cloudflare

    0 say GovInfo is a good alternative to EPA 0 say GovInfo isn’t a real alternative to EPA

    Comment
    Very close cos 0.899
16. 16
    NASA nasa.gov Top 1K English

    NASA

    NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.

    • Google Search Console
    • Google Tag Manager
    • jQuery
    • Microsoft 365
    • nginx
    • PHP

    0 say NASA is a good alternative to EPA 0 say NASA isn’t a real alternative to EPA

    Comment
    Very close cos 0.898
17. 17
    Federal Bureau of Investigation fbi.gov Top 10K English

    U.S. federal law enforcement agency

    • Adobe
    • Google Search Console
    • Microsoft 365
    • Apple Business
    • Cloudflare
    • GlobalSign

    0 say Federal Bureau of Investigation is a good alternative to EPA 0 say Federal Bureau of Investigation isn’t a real alternative to EPA

    Comment
    Very close cos 0.897
18. 18
    United States Army army.mil Top 10K English

    The Official Home Page of the United States Army

    The latest news, images, videos, career information, and links from the U.S. Army

    • Google Search Console
    • Google Tag Manager
    • Atlassian
    • Google Analytics

    0 say United States Army is a good alternative to EPA 0 say United States Army isn’t a real alternative to EPA

    Comment
    Very close cos 0.898
19. 19
    CISA cisa.gov Top 10K English

    Home Page | CISA

    Cybersecurity and Infrastructure Security Agency: America's Cyber Defense Agency

    • Adobe
    • Drupal
    • Google Search Console
    • Google Tag Manager
    • jQuery
    • Microsoft 365

    0 say CISA is a good alternative to EPA 0 say CISA isn’t a real alternative to EPA

    Comment
    Very close cos 0.896
20. 20
    nih.gov Top 1K English

    US government medical research agency

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

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

    Comment
    Very close cos 0.896

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

04 · Fingerprints

Technology

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