What powers cemi.cz?
Last seen Jun 2026 · 28 technologies across 14 categories
Advertising
Linkedin Ads
since Jun 2026
Analytics
Google Analytics
since Jan 2019
Linkedin Insight Tag
since Feb 2021
Microsoft Clarity
since Nov 2025
CDN
Cloudflare
since Aug 2023
CMS
Databases
MySQL
since May 2025
JavaScript libraries
Live chat
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jan 2019
Security
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web servers
Nginx
since Jul 2019
WordPress plugins
Contact Form 7
since May 2025
RankMath SEO
since May 2025
Audience
- 65% phone
- 35% desktop
Czechia
Slovakia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.20 / 10 · ranked #456,413 of all domains
68 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- CDN: Google
- Weight: 2.6 MB · 97 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected HSTS Jun 2026
- detected Linkedin Ads Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped HSTS May 2026
- detected Linkedin Insight Tag Apr 2026
- dropped SparkPost Mar 2026
- detected AOS Jan 2026
- detected Bootstrap Jan 2026
- detected jQuery UI Jan 2026
- detected Microsoft Clarity Nov 2025
- dropped Babel Oct 2025
- dropped Google Font API Oct 2025
- dropped Lodash Oct 2025
- dropped Sentry Oct 2025