What powers okna-vrata.cz?
Last seen Sep 2026 · 35 technologies across 20 categories
Advertising
Analytics
Caching
CMS
Comment systems
Databases
Font scripts
Hosting
JavaScript libraries
Maps
Miscellaneous
Payment processors
Programming languages
Security
SEO
Tag managers
UI frameworks
Web frameworks
Web servers
WordPress plugins
AI Crawlers
Restricts 11 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Restricted
- CCBot Restricted
- ClaudeBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 22 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
11 of 33 AI crawlers restricted
Standards: llms.txt
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.98 / 10 · ranked #3,648,146 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.5 MB · 73 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Seidler
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on SATT-AS (31.31.227.84, IPv6)
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 39,342,631, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| climax.okna-vrata.cz | 24 |
| www.okna-vrata.cz | 16 |
Full technology history →
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Recent changes
- dropped Cloudflare Sep 2026
- dropped Cloudflare Bot Management Sep 2026
- dropped Facebook Pixel Sep 2026
- dropped Google Call Conversion Tracking Sep 2026
- dropped Hotjar Sep 2026
- dropped jQuery Migrate Sep 2026
- dropped Lightbox Sep 2026
- dropped Priority Hints Sep 2026
- detected WordPress Multisite Sep 2026
- dropped YouTube Sep 2026
- dropped HTTP/3 Aug 2026
- dropped jQuery UI Aug 2026
- detected Apache HTTP Server Jul 2026
- detected Bootstrap Jul 2026
- detected FancyBox Jul 2026
- detected Keen-Slider Jul 2026
- detected Leaflet Jul 2026
- detected Livefyre Jul 2026
- detected Nette Framework Jul 2026
- detected PayPal Jul 2026
- detected Popper Jul 2026
- detected PWA Jul 2026
- detected reCAPTCHA Jul 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Priority Hints Jan 2026
- detected Twitter Emoji (Twemoji) Jan 2026