docusaurus.io
Build optimized websites quickly, focus on your content | Docusaurus
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Great
Summary
An optimized site generator in React. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
An optimized site generator in React. Docusaurus helps you to move fast and write content. Build documentation websites, blogs, marketing pages, and more.
- United States
- Hosted on Cloudflare
Top issues to fix
6 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
2 issue(s) found
Performance
297 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
An optimized site generator in React. Docusaurus helps you to move fast and write content. Build documentation websites, blogs, marketing pages, and more.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Build optimized websites quickly, focus on your content | Docusaurus
- Description
- An optimized site generator in React. Docusaurus helps you to move fast and write content. Build documentation websites, blogs, marketing pages, and more.
- Canonical
- https://docusaurus.io/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
- https://docusaurus.io/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.95.136
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- docusaurus.io
- Valid from
- Jul 6, 2026
- Valid to
- Oct 4, 2026
- Days until expiry
- 70
- SAN domains
- docusaurus.io, *.docusaurus.io
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 2 · H3 5
Links
28 internal · 26 external · 0 broken
Images
21 total · 0 missing alt
Scripts / Styles
7 scripts · 2 stylesheets
JS / CSS size
32.9 KB · 0 B
Page size
36.0 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 1366
SEO issues
- Title longer than 60 characters
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://docusaurus.io
- Final URL
- https://docusaurus.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 297 ms
- HTML size
- 36.0 KB
- Redirect chain
- https://docusaurus.io
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Frequently asked questions
- What technology does docusaurus.io use?
- docusaurus.io is built with Google Analytics, Cloudflare Analytics.
- Is docusaurus.io secure (HTTPS)?
- Yes. docusaurus.io uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 4, 2026.
- Who hosts docusaurus.io?
- docusaurus.io is hosted on Cloudflare, behind Cloudflare CDN.
- What is docusaurus.io's SEO score?
- docusaurus.io scored 85/100 for SEO in the latest analysis (great).
- What is docusaurus.io's overall website score?
- docusaurus.io has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card