What powers ratio.cz?
Last seen Aug 2026 · 6 technologies across 5 categories
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Programming languages
PHP
since Jan 2019
Web frameworks
Nette Framework
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Open Page Rank
1.77 / 10 · ranked #4,527,951 of all domains
6 referring domains · OpenPageRank
Infrastructure
- Hosted on Amazon Web Services (3.73.27.108)
- DNS: wedos.com
- Email: wedos.net
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 25,215,888, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ratio.cz | 6 |
| www.ratio.cz | 6 |