html5test.com
html5test.com is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2025-08-24 and last crawled it on 2026-10-17. It resolves to 104.21.96.1 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
HTML5test - How well does your browser support HTML5?
The HTML5 test score is an indication of how well your browser supports the upcoming HTML5 standard and related specifications. How well does your browser support HTML5?
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2025-08-24 |
| Last crawled | 2026-10-17 |
| IPv4 | 104.21.96.1 |
| IPv6 | 2606:4700:3030::6815:7001 |
| Network | AS13335 Cloudflare, Inc. · California |
| CNAME | html5test.com |
| Mail (MX) | in1-smtp.messagingengine.com.,in2-smtp.messagingengine.com. |
| Language | en |
| Server | cloudflare |