gitbook.io
The knowledge layer for AI | GitBook
Last scanned Jul 29, 2026, 3:00 PM · 9 views
Overall score
Great
Summary
GitBook is a knowledge platform that connects your docs, product and users, answers user questions, and identifies knowledge gaps. This website uses Google Analytics behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance fair (70/100). Top issue: Meta description longer than 160 characters.
GitBook is a knowledge platform that connects your docs, product and users, answers user questions, and identifies knowledge gaps. Docs-as-code support & AI insights included.
Top issues to fix
7 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
83 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-4 overall since Jul 21, 2026
- Overall
- 82
- SEO
- 80
- Security
- 80
- Performance
- 70
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
GitBook is a knowledge platform that connects your docs, product and users, answers user questions, and identifies knowledge gaps. Docs-as-code support & AI insights included.
Meta tags
- Title
- The knowledge layer for AI | GitBook
- Description
- GitBook is a knowledge platform that connects your docs, product and users, answers user questions, and identifies knowledge gaps. Docs-as-code support & AI insights included.
- Canonical
- https://www.gitbook.com/
- Language
- en-US
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- Google Trust Services
- Subject
- gitbook.com
- Valid from
- Jun 21, 2026
- Valid to
- Sep 19, 2026
- Days until expiry
- 52
- SAN domains
- gitbook.com, *.gitbook.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 3 · H2 11 · H3 4
Links
48 internal · 17 external · 20 broken
Images
105 total · 0 missing alt
Scripts / Styles
25 scripts · 0 stylesheets
JS / CSS size
33.2 KB · 353 KB
Page size
1.5 MB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Multiple H1 headings found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://gitbook.io
- Final URL
- https://www.gitbook.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 53 ms
- HTML size
- 1.5 MB
- Redirect chain
- https://gitbook.io → https://www.gitbook.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does gitbook.io use?
- gitbook.io is built with Google Analytics.
- Is gitbook.io secure (HTTPS)?
- Yes. gitbook.io uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 19, 2026.
- Who hosts gitbook.io?
- Hosting provider information for gitbook.io is not available yet.
- What is gitbook.io's SEO score?
- gitbook.io scored 80/100 for SEO in the latest analysis (great).
- What is gitbook.io's overall website score?
- gitbook.io has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- Has gitbook.io's score changed over time?
- gitbook.io's overall score has declined by 4 points (from 86 to 82) since Jul 21, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card