whatwg.org
Web Hypertext Application Technology Working Group (WHATWG)
Last scanned Jul 24, 2026, 8:25 PM · 1 view
Overall score
Great
Summary
This website uses Nginx hosted on DigitalOcean. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing meta description.
- United States
- Hosted on DigitalOcean
Top issues to fix
7 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
+1 more issue — details in the sections below.
SEO
5 issue(s) found
Performance
248 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- sg@whatwg.org
Meta tags
- Title
- Web Hypertext Application Technology Working Group (WHATWG)
- Description
- 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
- Hosting provider
- DigitalOcean
- CDN provider
- —
- IP address
- 165.227.248.76
- ASN
- AS14061 (DIGITALOCEAN-ASN - DigitalOcean, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Let's Encrypt
- Subject
- whatwg.org
- Valid from
- Jul 24, 2026
- Valid to
- Oct 22, 2026
- Days until expiry
- 89
- SAN domains
- books.idea.whatwg.org, books.spec.whatwg.org, c.whatwg.org, compat.spec.whatwg.org, compression.spec.whatwg.org, console.spec.whatwg.org, cookiestore.spec.whatwg.org, developer.whatwg.org, developers.whatwg.org, dom.spec.whatwg.org, domparsing.spec.whatwg.org, encoding.spec.whatwg.org, fetch.spec.whatwg.org, figures.idea.whatwg.org, figures.spec.whatwg.org, forums.whatwg.org, fs.spec.whatwg.org, fullscreen.spec.whatwg.org, help.whatwg.org, html-differences.whatwg.org, html.spec.whatwg.org, idea.whatwg.org, images.whatwg.org, infra.spec.whatwg.org, javascript.spec.whatwg.org, lists.whatwg.org, mediasession.spec.whatwg.org, mimesniff.spec.whatwg.org, n.whatwg.org, notifications.spec.whatwg.org, quirks.spec.whatwg.org, resources.whatwg.org, spec.whatwg.org, specs.whatwg.org, storage.spec.whatwg.org, streams.spec.whatwg.org, svn.whatwg.org, testutils.spec.whatwg.org, url.spec.whatwg.org, urlpattern.spec.whatwg.org, validator.whatwg.org, webidl.spec.whatwg.org, websocket.spec.whatwg.org, websockets.spec.whatwg.org, webvtt.spec.whatwg.org, whatwg.org, www.whatwg.org, xhr.spec.whatwg.org, xn--7ca.whatwg.org
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 1 · H2 0 · H3 0
Links
4 internal · 8 external · 0 broken
Images
1 total · 0 missing alt
Scripts / Styles
1 scripts · 1 stylesheets
JS / CSS size
71 B · 4.4 KB
Page size
4.3 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 5
- 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
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://whatwg.org
- Final URL
- https://whatwg.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 248 ms
- HTML size
- 4.3 KB
- Redirect chain
- https://whatwg.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does whatwg.org use?
- whatwg.org is built with Nginx.
- Is whatwg.org secure (HTTPS)?
- Yes. whatwg.org uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Oct 22, 2026.
- Who hosts whatwg.org?
- whatwg.org is hosted on DigitalOcean.
- What is whatwg.org's SEO score?
- whatwg.org scored 65/100 for SEO in the latest analysis (fair).
- What is whatwg.org's overall website score?
- whatwg.org has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card