linuxdoc.org
Linux Documentation Project
Last scanned Jul 27, 2026, 2:43 PM
Overall score
Fair
Summary
The Linux Documentation Project is working towards developing free, high quality documentation for the Linux operating system. This website is hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is fair (60/100) and accessibility is fair (60/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
The Linux Documentation Project is working towards developing free, high quality documentation for the Linux operating system. The overall goal of the LDP is to collaborate in all of the issues of Linux documentation.
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
Top issues to fix
13 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+7 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
257 ms
Security
HTTPS & header checks
Accessibility
4 issue(s) found
Organization
Company details published in this site's own structured data.
The Linux Documentation Project is working towards developing free, high quality documentation for the Linux operating system. The overall goal of the LDP is to collaborate in all of the issues of Linux documentation.
Contact
Email, phone, and address published on this site's own pages.
Source: https://www.linuxdoc.org/contact
Meta tags
- Title
- Linux Documentation Project
- Description
- The Linux Documentation Project is working towards developing free, high quality documentation for the Linux operating system. The overall goal of the LDP is to collaborate in all of the issues of Linux documentation.
- Canonical
- Language
- Charset
- iso-8859-1
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- HETZNER-AS - Hetzner Online GmbH, DE
- CDN provider
- —
- IP address
- 144.76.147.219
- ASN
- AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)
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
- linuxdoc.org
- Valid from
- Jun 26, 2026
- Valid to
- Sep 24, 2026
- Days until expiry
- 59
- SAN domains
- linuxdoc.org, www.linuxdoc.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
39 internal · 2 external · 2 broken
Images
2 total · 1 missing alt
Scripts / Styles
0 scripts · 1 stylesheets
JS / CSS size
0 B · 0 B
Page size
21.3 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
- Missing <html lang> attribute
- Missing viewport meta tag
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://linuxdoc.org
- Final URL
- https://www.linuxdoc.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 257 ms
- HTML size
- 21.3 KB
- Redirect chain
- https://linuxdoc.org → https://www.linuxdoc.org/
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Frequently asked questions
- What technology does linuxdoc.org use?
- We did not detect any specific technologies for linuxdoc.org in the latest scan.
- Is linuxdoc.org secure (HTTPS)?
- Yes. linuxdoc.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 24, 2026.
- Who hosts linuxdoc.org?
- linuxdoc.org is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is linuxdoc.org's SEO score?
- linuxdoc.org scored 60/100 for SEO in the latest analysis (fair).
- What is linuxdoc.org's overall website score?
- linuxdoc.org has an overall SiteGraph score of 74/100, combining SEO, performance, security, and accessibility.
- Is linuxdoc.org hiring?
- linuxdoc.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card