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SGSiteGraph

linuxfoundation.org

Linux Foundation - Decentralized innovation, built with trust

Last scanned Aug 1, 2026, 12:00 AM · 8 views

81

Overall score

Great

Summary

Helping open technology projects build world class open source software, communities and companies. This website uses Google Analytics behind Cloudflare CDN. SEO is good (75/100) and accessibility is fair (60/100). Security scores excellent (95/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

Helping open technology projects build world class open source software, communities and companies.

Top issues to fix

8 issues found · 1 high priority

  • Over half of images are missing alt text

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • 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.

+2 more issues — details in the sections below.

75

SEO

4 issue(s) found

90

Performance

1.84 s

95

Security

HTTPS & header checks

60

Accessibility

2 issue(s) found

Score history

-4 overall since Jul 24, 2026

Overall
81
SEO
75
Security
95
Performance
90
Accessibility
60

Organization

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

Helping open technology projects build world class open source software, communities and companies.

Meta tags

Title
Linux Foundation - Decentralized innovation, built with trust
Description
Helping open technology projects build world class open source software, communities and companies.
Canonical
https://www.linuxfoundation.org
Language
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Linux Foundation - Decentralized innovation, built with trust
og:description
Helping open technology projects build world class open source software, communities and companies.
og:type
og:url
https://www.linuxfoundation.org

Twitter Card

twitter:card
summary
twitter:title
Linux Foundation - Decentralized innovation, built with trust
twitter:description
Helping open technology projects build world class open source software, communities and companies.

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
Cloudflare
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
052441e5.sni.cloudflaressl.com
Valid from
Jun 11, 2026
Valid to
Sep 9, 2026
Days until expiry
39
SAN domains
052441e5.sni.cloudflaressl.com, www.linuxfoundation.org

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 1 · H2 17 · H3 5

Links

52 internal · 50 external · 20 broken

Images

34 total · 25 missing alt

Scripts / Styles

29 scripts · 16 stylesheets

JS / CSS size

5.6 KB · 4.5 KB

Page size

137 KB

Robots.txt & Sitemap

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

SEO issues

  • Title longer than 60 characters
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • Over half of images are missing alt text
  • Missing <html lang> attribute

Scan details

Requested URL
https://linuxfoundation.org
Final URL
https://www.linuxfoundation.org
HTTP status
200
HTTP version
HTTP/2
Response time
1.83 s
HTML size
137 KB
Redirect chain
https://linuxfoundation.org → https://www.linuxfoundation.org

See something wrong on this report? Request a correction

Frequently asked questions

What technology does linuxfoundation.org use?
linuxfoundation.org is built with jQuery, Google Analytics.
Is linuxfoundation.org secure (HTTPS)?
Yes. linuxfoundation.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 9, 2026.
Who hosts linuxfoundation.org?
Hosting provider information for linuxfoundation.org is not available yet.
What is linuxfoundation.org's SEO score?
linuxfoundation.org scored 75/100 for SEO in the latest analysis (fair).
What is linuxfoundation.org's overall website score?
linuxfoundation.org has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
Has linuxfoundation.org's score changed over time?
linuxfoundation.org's overall score has declined by 4 points (from 85 to 81) since Jul 24, 2026.