What powers 
tomasklus.cz?
Last seen Sep 2026 · 27 technologies across 14 categories
Analytics
Authentication
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Performance
Programming languages
Tag managers
UI frameworks
Web frameworks
Web Servers
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
Content Signals:
search=yes ai-train=no declared in robots.txt
- Oct 2026 Content Signals changed
AI Crawlers
No AI crawlers blocked
Standards: Content Signals
Audience
- 88% phone
- 12% desktop
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.71 / 10 · ranked #760,187 of all domains
53 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 5.3 MB · 58 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (3.121.241.33)
- DNS: forpsi.cz
- Email: Seznam Email
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: ZeroSSL, ECDSA P384, expires Nov 2026
- Common Crawl link graph: rank 569,623, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.tomasklus.cz | 16 |
| eshop.tomasklus.cz | 14 |
| tomasklus.cz | 5 |
| vstupenky.tomasklus.cz | 4 |
Full technology history →
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