What powers tyrsova.cz?
Last seen Sep 2026 · 21 technologies across 14 categories
Analytics
Authentication
CDN
CMS
Font scripts
JavaScript graphics
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Web frameworks
Web servers
Webmail
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
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 81% phone
- 19% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.77 / 10 · ranked #4,539,952 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 3.6 MB · 33 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on CASABLANCA-AS Internet & Collocation Provider (217.11.227.76, IPv6)
- DNS: harfanet.cz
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 11,944,059
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- detected Antee IPO Sep 2026
- detected Chart.js Sep 2026
- detected FancyBox Sep 2026
- detected Google Font API Sep 2026
- detected HSTS Sep 2026
- detected jQuery Migrate Sep 2026
- detected jQuery UI Sep 2026
- detected Matomo Analytics Sep 2026
- detected Nette Framework Sep 2026
- detected Priority Hints Sep 2026
- detected reCAPTCHA Sep 2026
- detected Select2 Sep 2026