kernel.org
The Linux Kernel Archives
Last scanned Jul 29, 2026, 12:00 PM · 10 views
Overall score
Great
Summary
This website uses Nginx. SEO is fair (60/100) and accessibility is excellent (95/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing meta description.
Top issues to fix
8 issues found · 2 high priority
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
245 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
0 overall since Jul 18, 2026
- Overall
- 87
- SEO
- 60
- Security
- 100
- Performance
- 100
- Accessibility
- 95
Meta tags
- Title
- The Linux Kernel Archives
- Description
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- tor.source.kernel.org
- Valid from
- Jun 15, 2026
- Valid to
- Sep 13, 2026
- Days until expiry
- 46
- SAN domains
- android.kernel.org, git.kernel.org, kernel.org, linux.kernel.org, lore.kernel.org, origin.kernel.org, tor.source.kernel.org, wireless.kernel.org, www.kernel.org
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 2 · H3 0
Links
11 internal · 74 external · 20 broken
Images
8 total · 0 missing alt
Scripts / Styles
0 scripts · 1 stylesheets
JS / CSS size
0 B · 0 B
Page size
16.5 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Missing viewport meta tag
Scan details
- Requested URL
- https://kernel.org
- Final URL
- https://kernel.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 245 ms
- HTML size
- 16.5 KB
- Redirect chain
- https://kernel.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does kernel.org use?
- kernel.org is built with Nginx.
- Is kernel.org secure (HTTPS)?
- Yes. kernel.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 13, 2026.
- Who hosts kernel.org?
- Hosting provider information for kernel.org is not available yet.
- What is kernel.org's SEO score?
- kernel.org scored 60/100 for SEO in the latest analysis (fair).
- What is kernel.org's overall website score?
- kernel.org has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
- Has kernel.org's score changed over time?
- kernel.org's overall score has stayed steady at 87/100 since Jul 18, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card