What powers 
osvetimany.cz?
Last seen Aug 2026 · 17 technologies across 12 categories
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Performance
Programming languages
Security
UI frameworks
Web frameworks
Web servers
AI Crawlers
Restricts 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- meta-externalagent Restricted
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 meta-externalagent added to robots.txt
AI Crawlers
1 of 33 AI crawlers restricted
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.16 / 10 · ranked #472,396 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.3 MB · 41 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Městys Osvětimany (Osvětimany on Wikidata)
- Country: Czech Republic
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on SATT-AS (31.31.239.206, IPv6)
- DNS: web4u.cz
- Email: MailChannels
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 1,185,787, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected RSS May 2026
- detected libphonenumber Feb 2026