epa.gov Website Health Report
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.
Analyzed 8/2/2026, 3:42:02 AM · https://epa.gov
Summary
As of August 2, 2026, epa.gov scores 72/100 overall (grade B), ranking #241 of 995 websites in the E:LAB STUDIO database — the top 25%. Its strongest area is Technical (100/100); its weakest is Schema (10/100).
Its AI-search visibility (AEO) score is 55/100 — a measure of how citable the page is to AI answer engines like ChatGPT and Perplexity. No JSON-LD structured data was detected — the single highest-impact gap for AI search. Top fixes: Organization schema, FAQ schema, Industry/location info.
Speed scores 75/100: the server answered in 557ms, the HTML weighs 64 KB, compression is on, and 30 render-blocking resources sit in <head>. Security scores 100/100: the site is served over HTTPS and sets every major security header.
Compared with the database average (61/100 overall), epa.gov scores 11 points higher.
How to improve
15Based on this report, here are the highest-impact fixes across SEO, AI-search visibility, speed and security:
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- ✓Title tag present10/10
- ✓Meta description present10/10
- ✓H1 heading present10/10
- ✓Canonical URL set10/10
- ✓Open Graph tags present10/10
- ✓sitemap.xml found10/10
- ✓robots.txt found10/10
- ✓Images have alt text10/10
- ✓Internal links present10/10
- ✗Structured data present0/10
AI Visibility (AEO)
- ✗Organization schema0/15
- ✗FAQ schema0/15
- ✓Substantive, descriptive content (heuristic)15/15
- ✓Company/brand identity (About page or Org schema)10/10
- ✓Author / publish date present10/10
- ✓Structured heading (single clear H1)10/10
- ✓External source/citation links10/10
- ✗Industry/location info0/10
- ✗Price/product info0/5
Schema
- ✗Any JSON-LD present0/20
- ✗Organization0/15
- ✗FAQPage0/15
- ✗LocalBusiness0/15
- ✗Article or Product0/15
- ✗Breadcrumb0/10
- ✓Author/date structured10/10
Technical
- ✓robots.txt found15/15
- ✓sitemap.xml found15/15
- ✓Canonical URL set15/15
- ✓Mobile viewport meta15/15
- ✓Language attribute set10/10
- ✓Open Graph tags10/10
- ✓Title length is optimal10/10
- ✓Description length is optimal10/10
Speed
- ◐Fast server response (TTFB)21/25
- ✓HTML delivered quickly15/15
- ✓Compression enabled15/15
- ✓HTML payload is lean10/10
- ✓Browser caching headers10/10
- ✗Few render-blocking resources0/15
- ✗Images are lazy-loaded0/5
- ◐Images have explicit dimensions4/5
Security
- ✓Served over HTTPS20/20
- –HTTP redirects to HTTPSN/A
- ✓TLS certificate not near expiry5/5
- ✓HSTS header15/15
- ✓Content-Security-Policy header12/12
- ✓X-Content-Type-Options: nosniff8/8
- ✓Clickjacking protection8/8
- ✓Referrer-Policy header7/7
- ✓Permissions-Policy header5/5
- ✓No mixed content5/5
- ✓Server version not disclosed5/5
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FAQ about epa.gov
What is epa.gov's SEO score?
epa.gov scores 90/100 for on-page SEO and 72/100 overall (grade B) — rank #241 of 995 sites in the E:LAB STUDIO database.
Is epa.gov visible to AI search engines like ChatGPT?
Its AI-visibility score is 55/100 — middling. Highest-impact improvements: Organization schema, FAQ schema.
What technology does epa.gov use?
No specific framework or CMS was detectable from its public HTML.
What should epa.gov fix first?
Based on this report: Organization schema, FAQ schema. The full prioritized list is in the "How to improve" section below.
When was this report generated?
On August 2, 2026, from publicly fetched HTML. Anyone can re-run the analysis for free to refresh it.
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