What powers tomas-kucera.cz?
Last seen Sep 2026 · 18 technologies across 11 categories
Analytics
CDN
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Video players
Web frameworks
Web servers
Widgets
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% desktop
- 43% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.34 / 10 · ranked #2,796,314 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| CLS | 0.25 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 27.6 MB · 524 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ACTIVE24-AS www.active24.cz (81.95.110.105)
- DNS: ignum.com
- Email: no MX record returned, SPF names Seznam Email
- Email security: SPF (soft fail), DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 19,413,681, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected HSTS Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected core-js Mar 2026
- detected Facebook Pixel Mar 2026
- detected Google Analytics Mar 2026
- detected Google Tag Manager Mar 2026
- detected Swiper Dec 2025