websocket.org
WebSocket.org — The independent WebSocket reference
Last scanned Jul 26, 2026, 5:18 AM
Overall score
Excellent
Summary
The independent, practitioner-built reference for WebSocket technology. This website uses Google Analytics hosted on AWS behind Vercel CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
The independent, practitioner-built reference for WebSocket technology. Protocol internals, production patterns, scaling guides, and honest protocol comparisons with real code.
- United States
- Hosted on AWS
Top issues to fix
5 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-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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
SEO
2 issue(s) found
Performance
10 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
The independent, practitioner-built reference for WebSocket technology. Protocol internals, production patterns, scaling guides, and honest protocol comparisons with real code.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- WebSocket.org — The independent WebSocket reference
- Description
- The independent, practitioner-built reference for WebSocket technology. Protocol internals, production patterns, scaling guides, and honest protocol comparisons with real code.
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
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
- websocket.org
- Valid from
- Jul 8, 2026
- Valid to
- Oct 6, 2026
- Days until expiry
- 72
- SAN domains
- websocket.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 1 · H2 7 · H3 11
Links
34 internal · 2 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
4 scripts · 1 stylesheets
JS / CSS size
20.5 KB · 24.9 KB
Page size
54.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://websocket.org
- Final URL
- https://websocket.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 9 ms
- HTML size
- 54.1 KB
- Redirect chain
- https://websocket.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does websocket.org use?
- websocket.org is built with Google Analytics.
- Is websocket.org secure (HTTPS)?
- Yes. websocket.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 6, 2026.
- Who hosts websocket.org?
- websocket.org is hosted on AWS, behind Vercel CDN.
- What is websocket.org's SEO score?
- websocket.org scored 90/100 for SEO in the latest analysis (excellent).
- What is websocket.org's overall website score?
- websocket.org has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card