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SGSiteGraph

ehn.org

EHN

Last scanned Jul 27, 2026, 1:43 PM

95

Overall score

Excellent

Summary

News for a changing planet. This website uses Nginx hosted on Fastly behind Fastly CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100).

EHN

News for a changing planet

United States
Hosted on Fastly

Top issues to fix

2 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • 1 broken link on the page

    SEO

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

100

SEO

0 issue(s) found

90

Performance

481 ms

90

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

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

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
EHN
Description
News for a changing planet
Canonical
https://www.ehn.org/
Language
en
Charset
utf-8
Viewport
width=device-width,initial-scale=1,minimum-scale=1.0
Robots meta
max-image-preview:large
Manifest
https://www.ehn.org/manifest.json

OpenGraph & Twitter Card

OpenGraph

og:title
EHN
og:description
We push good science and journalism into public discussion and public policy on environmental health issues, including climate change.
og:type
website
og:url

Twitter Card

twitter:card
summary_large_image
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
Fastly
CDN provider
Fastly
IP address
151.101.65.91
ASN
AS54113 (FASTLY - Fastly, Inc., US)

DNS records

TypeValue
A
  • 151.101.65.91
  • 151.101.193.91
  • 151.101.1.91
  • 151.101.129.91
AAAA
MX
TXT
NS
CAA
CNAME
  • www.ehn.org.cdn.rebelmouse.com
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
GlobalSign nv-sa
Subject
www.ehn.org
Valid from
Jan 11, 2026
Valid to
Feb 12, 2027
Days until expiry
199
SAN domains
www.ehn.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 10 · H3 36

Links

37 internal · 36 external · 1 broken

Images

52 total · 0 missing alt

Scripts / Styles

82 scripts · 1 stylesheets

JS / CSS size

261 KB · 156 KB

Page size

506 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
5
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

No SEO issues detected.

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://ehn.org
Final URL
https://www.ehn.org/
HTTP status
200
HTTP version
HTTP/2
Response time
471 ms
HTML size
506 KB
Redirect chain
https://ehn.org → https://www.ehn.org/

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Frequently asked questions

What technology does ehn.org use?
ehn.org is built with Google Analytics, Nginx.
Is ehn.org secure (HTTPS)?
Yes. ehn.org uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Feb 12, 2027.
Who hosts ehn.org?
ehn.org is hosted on Fastly, behind Fastly CDN.
What is ehn.org's SEO score?
ehn.org scored 100/100 for SEO in the latest analysis (excellent).
What is ehn.org's overall website score?
ehn.org has an overall SiteGraph score of 95/100, combining SEO, performance, security, and accessibility.
What company operates ehn.org?
ehn.org is operated by EHN. News for a changing planet