What powers 1zsspk.cz?
Last seen Jun 2026 · 24 technologies across 15 categories
Analytics
CMS
Databases
MySQL
since Nov 2023
Font scripts
Google Font API
since May 2020
Twitter Emoji (Twemoji)
since Jan 2026
JavaScript libraries
Lightbox
since Nov 2023
Miscellaneous
RSS
since Nov 2023
Operating systems
Debian
since May 2020
Windows Server
since Dec 2022
Performance
Priority Hints
since Dec 2023
Programming languages
PHP
since May 2020
Video players
YouTube
since Mar 2025
Web frameworks
Microsoft ASP.NET
since Dec 2022
Web servers
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
WordPress themes
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.69 / 10 · ranked #5,055,535 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 7.5 MB · 74 requests
- WordPress theme: astra · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 1zsspk.cz | 21 |
| www.1zsspk.cz | 13 |
| bakalari.1zsspk.cz | 4 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Jan 2026