🌐
w3.org 200
🔒 SSL Valid
✨ About this site
This is the official website of the World Wide Web Consortium (W3C), the international standards organization that develops protocols and guidelines to ensure the long-term growth of the Web. It is a highly influential, foundational entity in the technology sector, widely used and recognized globally by web developers, researchers, and institutions. Established in 1994, it is universally trusted as the definitive source for core web standards such as HTML and CSS.
📊 What the data says
This domain is approximately 32 years old and currently returns an HTTP 200 status. It utilizes Cloudflare for hosting and infrastructure, while maintaining robust security through HSTS and CSP headers. The active SSL certificate remains valid until December 5, 2026.
HTTP Status A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 45d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 988d
Hosting The company and location where this website's server is physically located.Read more →
Unknown
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
2/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
104.18.23.19
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 1
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🌐 CDN
Cloudflare
Screenshot
Processing...
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⏳
Screenshot is being captured...
DNS Records DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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| A (IPv4) | 104.18.23.19104.18.22.19 |
| AAAA (IPv6) | 2606:4700::6812:16132606:4700::6812:1713 |
| NS | jamie.ns.cloudflare.compranab.ns.cloudflare.com |
| MX | 5 pan.w3.org5 puck.w3.org |
| TXT (8) |
Services configured via TXT:
Google4
+3 other TXT record(s)
Show all TXT recordsgoogle-site-verification=cu9dn6ytlndLOV87MLxedTHxoKTRKk0dUf_jXK8OsTc google-site-verification=dS4IjfXgopxupUFDAqg3wk94IIZ2GuQ-jW4wiLm69Rg v=spf1 mx ip4:34.238.48.92 ip4:34.199.101.240 ip6:2600:1f18:7d7a:2700::/56 include:_spf.google.com ~all 853C844562 anthropic-domain-verification-xwqnyg=KpEpoEkHUmXnsWC0mhnfKFBrr ca3-d6556337888945edac9c159a068c46a2 google-site-verification=5TpwKtmzdpa5fntQgKHY96mTJ3FiSn9fGp07XKxFsMk google-site-verification=CZkSL9bXgKDxRmeDnAQorwhaQy3Ji1vTn36bBn5rL-E |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | Gandi SAS |
| Registered | 1994-07-06 |
| Expires | 2029-07-05 (in 988 days) |
| Last Updated | 2026-08-12 |
| Status | client delete prohibitedclient transfer prohibited |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | w3.org |
| Issuer | Google Trust Services |
| Valid From | 2026-09-06 |
| Valid Until | 2026-12-05 (45 days left) |
| SANs (2) | w3.org*.w3.org |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | cloudflare |
| Content-Type | text/html; charset=UTF-8 |
| Final URL | https://www.w3.org/ |
| strict-transport-security | max-age=15552000; includeSubdomains; preload |
| content-security-policy | frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests |
| x-content-type-options | nosniff |
| cache-control | public, s-maxage=7776000 |
| cf-ray | a4dd4f436b3ede9d-IAD |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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| IP Address | 104.18.23.19 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
C (4/7)
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Sitemap & Robots
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Partially restricted
Some areas are hidden from crawlers, but the main content stays open to search engines.
Areas hidden from crawlers:
Admin & login
1
CMS internals
4
Search & filters
5
Other paths
10
Show raw disallow rules (20)
/*/wp-admin/
/*/wp-includes/
/*/wp-content/plugins/
/*/wp-content/cache/
/*/wp-content/themes/
/blog/?
/blog/*/trackback/
/blog/*/feed/
/blog/*/comments/
/blog/*/category/*/*
/blog/*/*/trackback/
/blog/*/*/feed/
/blog/*/*/comments/
/blog/*/*?
/community/trackback/
/community/feed/
/community/comments/
/community/category/*/*
/community/*/trackback/
/community/*/feed/
… list truncated
| Sitemap | Not found |
Social & Meta Tags
Missing
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| Title | Just a moment... |
| Language | en-US |
Mail Security Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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| SPF | ✓ Present v=spf1 mx ip4:34.238.48.92 ip4:34.199.101.240 ip6:2600:1f18:7d7a:2700::/56 include:_spf.google.com ~all |
| DMARC | ✓ Present v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1; |
| MX Records | 5 → pan.w3.org 5 → puck.w3.org |
Other TLDs Other top-level domain variants of this domain name and their availability. 14 active 4 for sale 5 available
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Uptime Monitor
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| Current Status | 🟢 Online |
| HTTP Status | 200 |
| Response Time | 100ms |
| Last Checked | 2026-10-18 19:00:14.790211 |
| Uptime (30d) | 100% |
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