What powers centrum-semafor.cz?
Last seen Jun 2026 · 20 technologies across 13 categories
Analytics
Google Analytics
since Sep 2021
CDN
Cloudflare
since May 2023
CMS
WordPress
since Sep 2021
Cookie compliance
Databases
MySQL
since Sep 2021
Font scripts
Google Font API
since Sep 2021
JavaScript libraries
Lightbox
since Sep 2021
Maps
Google Maps
since Sep 2021
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Programming languages
PHP
since Sep 2021
UI frameworks
Web servers
Apache Traffic Server
since Sep 2021
WordPress plugins
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.67 / 10 · ranked #5,180,805 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 4.8 MB · 105 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped HTTP/3 Jun 2026
- detected Apache Traffic Server May 2026
- dropped Apache Traffic Server Apr 2026