What powers als.cz?
Last seen Aug 2026 · 2 technologies across 2 categories
Programming languages
PHP
since Oct 2021
Web servers
Apache HTTP Server
since Apr 2019
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.65 / 10 · ranked #378,612 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.3 MB · 33 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on AS35236 - UVT Internet s.r.o. (109.205.73.53)
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 16,028,473, 15 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| qr.als.cz | 2 |
| www.zsjemnice.cz.als05.als.cz | 2 |