What powers erazim.cz?
Last seen Jun 2026 · 43 technologies across 24 categories
Analytics
Cloudflare Browser Insights
since May 2026
CDN
Cloudflare
since Mar 2021
jsDelivr
since May 2026
CMS
Comment systems
Databases
MySQL
since Mar 2021
Font scripts
Google Font API
since Mar 2021
Twitter Emoji (Twemoji)
since Jul 2021
Hosting
WordPress Multisite
since Feb 2024
Issue trackers
Sentry
since Dec 2025
JavaScript frameworks
JavaScript libraries
Live chat
Maps
Miscellaneous
Operating systems
Ubuntu
since Dec 2025
Page builders
WordPress Block Editor
since Mar 2025
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Mar 2021
Security
UI frameworks
Web server extensions
Web servers
Apache HTTP Server
since May 2021
Webmail
Google Workspace
since Aug 2022
WordPress plugins
WP-Optimize
since Nov 2024
WordPress themes
ExtendThemes Mesmerize
since Feb 2022
Audience
- 61% phone
- 39% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.56 / 10 · ranked #6,020,027 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.2 MB · 74 requests
- WordPress theme: mesmerize · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| domskolaci.erazim.cz | 25 |
| erazim.cz | 25 |
| opava.erazim.cz | 25 |
| stredni.erazim.cz | 25 |
| touzapo.erazim.cz | 25 |
| usti.erazim.cz | 24 |
| plzen.erazim.cz | 23 |
| polna.erazim.cz | 23 |
| tyn.erazim.cz | 23 |
| kunov.erazim.cz | 19 |
| www.erazim.cz | 18 |
| video.erazim.cz | 14 |
| vysoka.erazim.cz | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Elementor Nov 2025