What powers popapej.cz?
Last seen Sep 2026 · 27 technologies across 15 categories
Advertising
Microsoft Advertising
since Mar 2023
Analytics
Google Analytics
since Mar 2023
Microsoft Clarity
since Mar 2023
Authentication
Facebook Login
since Mar 2023
CDN
Font scripts
Google Font API
since May 2023
JavaScript graphics
JavaScript libraries
Live chat
Miscellaneous
Open Graph
since Mar 2023
PWA
since Mar 2023
Operating systems
Debian
since Jan 2025
Performance
Priority Hints
since Apr 2026
Programming languages
PHP
since Mar 2023
Tag managers
Google Tag Manager
since Mar 2023
UI frameworks
Bootstrap
since May 2023
Web servers
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 81% phone
- 17% desktop
- 2% tablet
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.26 / 10 · ranked #2,959,756 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech (Czechia)
- Weight: 4.7 MB · 93 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (83.167.224.103)
- DNS: forpsi.cz
- Email: certero.cloud
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- Common Crawl link graph: rank 38,891,080, 3 hosts
- Verified with: Meta Business
DNS records as swept Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.popapej.cz | 18 |
| popapej.cz | 17 |
| klient.popapej.cz | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Apr 2026