What powers pasivnidomy.cz?
Last seen Aug 2026 · 17 technologies across 11 categories
Analytics
Font scripts
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Programming languages
Tag managers
UI frameworks
Web Frameworks
Web Servers
Webmail
AI Crawlers
Blocks 3 of 33 AI crawlers we track by name in its robots.txt, restricts 7 more. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- ClaudeBot Blocked
- GPTBot Blocked
Search and AI assistants
- Claude-SearchBot Restricted
- DuckAssistBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 23 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 claude-searchbot added to robots.txt
- Sep 2026 perplexitybot added to robots.txt
- Sep 2026 perplexity-user added to robots.txt
- Sep 2026 duckassistbot added to robots.txt
- Sep 2026 claude-user added to robots.txt
- Sep 2026 oai-searchbot added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| ceskoslovenska obchodn banka | #26 | 0 |
| passivhaus planning package | #91 | 0 |
| cz co | #64 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
3 of 33 AI crawlers blocked
Audience
- 64% desktop
- 36% phone
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.47 / 10 · ranked #162,983 of all domains
144 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
3 keywords in Google's top 30
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 5.0 MB · 83 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Centrum Pasivního Domu
- Founded: 2005
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on VSHOSTING (93.185.110.226)
- DNS: onebit.cz
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 2,066,082, 16 hosts
- Verified with: Google, Microsoft 365
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
- dropped Google AdSense Mar 2026
- detected Google AdSense Oct 2025