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epa.gov

U.S. Environmental Protection Agency | US EPA

Last scanned Jul 29, 2026, 11:00 AM · 35 views

94

Overall score

Excellent

Summary

Website of the U.S. This website uses Nginx behind CloudFront CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.

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

Top issues to fix

4 issues found

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 20 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

80

SEO

3 issue(s) found

100

Performance

374 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-2 overall since Jul 15, 2026

Overall
94
SEO
80
Security
100
Performance
100
Accessibility
100

Organization

Company details published in this site's own structured data.

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

FacebookX (Twitter)YouTubeInstagram

Meta tags

Title
U.S. Environmental Protection Agency | US EPA
Description
Website of the U.S. Environmental Protection Agency (EPA). EPA's mission is to protect human health and the environment.
Canonical
https://www.epa.gov/home
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
U.S. Environmental Protection Agency | US EPA
og:description
Website of the U.S. Environmental Protection Agency (EPA). EPA's mission is to protect human health and the environment.
og:type
Web Area Homepage
og:url
https://www.epa.gov/home

Twitter Card

twitter:card
summary_large_image
twitter:title
U.S. Environmental Protection Agency | US EPA
twitter:description
Website of the U.S. Environmental Protection Agency (EPA). EPA's mission is to protect human health and the environment.

Technologies

Detected frameworks, languages, and tools.

DrupaljQueryNginx

Hosting & CDN

Hosting provider
—
CDN provider
CloudFront
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
DigiCert Inc
Subject
*.epa.gov
Valid from
Apr 13, 2026
Valid to
Oct 21, 2026
Days until expiry
84
SAN domains
*.epa.gov, epa.gov, www.epa.gov, espanol.epa.gov, origin-aws-www.epa.gov, origin-aws-espanol.epa.gov

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 12 · H3 3

Links

73 internal · 9 external · 20 broken

Images

7 total · 0 missing alt

Scripts / Styles

35 scripts · 30 stylesheets

JS / CSS size

5.5 KB · 224 B

Page size

63.3 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://epa.gov
Final URL
https://www.epa.gov/
HTTP status
200
HTTP version
HTTP/2
Response time
373 ms
HTML size
63.3 KB
Redirect chain
https://epa.gov → https://www.epa.gov/

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Frequently asked questions

What technology does epa.gov use?
epa.gov is built with Drupal, jQuery, Nginx.
Is epa.gov secure (HTTPS)?
Yes. epa.gov uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Oct 21, 2026.
Who hosts epa.gov?
Hosting provider information for epa.gov is not available yet.
What is epa.gov's SEO score?
epa.gov scored 80/100 for SEO in the latest analysis (great).
What is epa.gov's overall website score?
epa.gov has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
Has epa.gov's score changed over time?
epa.gov's overall score has declined by 2 points (from 96 to 94) since Jul 15, 2026.