What powers 
plesivec.cz?
Last seen Aug 2026 · 21 technologies across 13 categories
Analytics
Google Analytics
since Feb 2024
CDN
Comment systems
Livefyre
since Feb 2024
Font scripts
Google Font API
since Sep 2022
JavaScript graphics
JavaScript libraries
Maps
Leaflet
since Feb 2024
Miscellaneous
Open Graph
since Feb 2024
PWA
since Sep 2022
Programming languages
PHP
since Feb 2024
Security
HSTS
since Feb 2024
Tag managers
Google Tag Manager
since Feb 2024
UI frameworks
Web servers
Apache HTTP Server
since Feb 2024
Nginx
since Sep 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 90% phone
- 10% desktop
Czechia
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.44 / 10 · ranked #960,586 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 9.1 MB · 139 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on FASTER-AS (185.50.229.37)
- DNS: forpsi.cz
- Email: jamp.cz
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 13,056,594, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.plesivec.cz | 17 |
| plesivec.cz | 8 |