What powers ocnioptika.com?
Last seen Oct 2026 · 26 technologies across 13 categories
Authentication
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Maps
Miscellaneous
Programming languages
UI frameworks
Video players
Web servers
WordPress plugins
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.83 / 10 · ranked #15,847,025 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 7.4 MB · 200 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on WEDOS (46.28.106.217)
- DNS: web4u.cz
- Email: MailChannels
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 18,357,257, 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 Cloudflare Mar 2026
- dropped Cloudflare Bot Management Mar 2026
- dropped Vimeo Mar 2026