What powers dvere-ok.cz?
Last seen Oct 2026 · 9 technologies across 8 categories
Analytics
CMS
JavaScript frameworks
JavaScript libraries
Programming languages
Tag managers
Video players
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 71% phone
- 29% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.20 / 10 · ranked #1,268,865 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 15.0 MB · 38 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- DVEŘE OK - bezpečnostní dveře vchodové a interiérové s.r.o.
- Profiles: Facebook, Instagram, X, YouTube
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Hetzner (46.4.98.86)
- DNS: 7sites.cz
- Email: Seznam Email
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 12,611,467, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped HSTS Oct 2026
- dropped Cookie Script Sep 2026
- detected HSTS Aug 2026
- detected core-js Feb 2026
- dropped core-js Jan 2026
- dropped Facebook Pixel Dec 2025