What powers tfh.cz?
Last seen Sep 2026 · 11 technologies across 9 categories
Analytics
Google Analytics
since Jun 2020
Font scripts
Google Font API
since Jun 2020
JavaScript libraries
Programming languages
PHP
since Jun 2020
Tag managers
Google Tag Manager
since Jun 2020
UI frameworks
Web frameworks
Nette Framework
since Jun 2020
Web servers
Apache HTTP Server
since Jun 2020
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.73 / 10 · ranked #4,778,491 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 5.1 MB · 38 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on CASABLANCA-AS Internet & Collocation Provider (81.0.217.97, IPv6)
- DNS: ehosting.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: GoGetSSL, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 13,972,416
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted