What powers html-tidy.org?
Last seen Apr 2025 · 9 technologies across 6 categories
Caching
Varnish
since Aug 2018
CDN
Font Scripts
Google Font API
since Jun 2017
JavaScript Frameworks
Programming Languages
Ruby
since Aug 2018
Web Frameworks
Ruby on Rails
since Aug 2018
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
5.94 / 10 · ranked #113,798 of all domains
184 referring domains · OpenPageRank
Infrastructure
- Hosted on GitHub (192.30.252.153)
- DNS: Namecheap
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 440,125, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| api.html-tidy.org | 7 |
| www.html-tidy.org | 7 |
| binaries.html-tidy.org | 5 |