What powers 
tretters-obecnidum.cz?
Last seen Sep 2026 · 16 technologies across 7 categories
Analytics
Google Analytics
since Mar 2026
CDN
JavaScript libraries
Maps
Google Maps
since Sep 2022
Miscellaneous
Tag managers
Google Tag Manager
since Mar 2026
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.69 / 10 · ranked #766,728 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| CLS | 0.5 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 28.7 MB · 47 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Websupport (37.9.175.212, IPv6)
- DNS: websupport.cz
- Email: tretters-obecnidum.cz
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 29,467,217, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.tretters-obecnidum.cz | 16 |
| tretters-obecnidum.cz | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HTTP/3 Sep 2026
- detected OpenResty Sep 2026
- detected Facebook Pixel May 2026
- detected Unpkg May 2026
- detected core-js Mar 2026
- detected Google Analytics Mar 2026
- detected Google Tag Manager Mar 2026