What powers chemtk.cz?
Last seen Jun 2026 · 12 technologies across 8 categories
Analytics
Matomo Analytics
since Apr 2022
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
RSS
since Dec 2022
Operating systems
Red Hat
since Nov 2021
Programming languages
Security
HSTS
since Nov 2022
Web server extensions
Web servers
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.68 / 10 · ranked #2,193,019 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.8 MB · 23 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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