What powers 
tzb-info.cz?
Last seen Sep 2026 · 29 technologies across 15 categories
Advertising
Analytics
Authentication
Cookie compliance
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
Performance
Security
Tag managers
UI frameworks
Web servers
Webmail
Widgets
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
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| tzp | #95 | 2 |
| vytpn | #11 | 1 |
| lintech | #99 | 1 |
| adscale | #59 | 1 |
| ztb | #96 | 0 |
| bidswitch.net what is it | #74 | 0 |
| bim lod 350 | #84 | 0 |
| bim lod 300 | #88 | 0 |
| bozp | #63 | 0 |
| comfoair 70 zehnder | #45 | 0 |
| tbz logo | #35 | 0 |
| tchas | #35 | 0 |
| twilt | #69 | 0 |
| ventiair | #25 | 0 |
| voda consulting | #62 | 0 |
| vsk | #46 | 0 |
| reflex cz | #11 | 0 |
| sklon | #17 | 0 |
| studioaxis | #35 | 0 |
| stupn | #22 | 0 |
| ocel | #86 | 0 |
| prask plynrensk | #41 | 0 |
| pvt panel | #50 | 0 |
| pva expo praha | #81 | 0 |
| k-plast | #91 | 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
No AI crawlers blocked
Audience
- 97% phone
- 3% tablet
Czechia
Slovakia
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.26 / 10 · ranked #29,728 of all domains
645 referring domains · OpenPageRank
Search traffic
5 est. monthly organic visits (US)
44 keywords in Google's top 30
Core Web Vitals
| LCP | 2.7 s |
| INP | 150 ms |
| CLS | 0.2 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.4 MB · 130 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered May 2001 (25 years), renews May 2027
- Hosted on ACTIVE24-AS www.active24.cz (81.95.98.218)
- DNS: websupport.cz
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Sectigo, RSA 2048, wildcard, expires Apr 2027
- Common Crawl link graph: rank 67,198, 24 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kalkulator.tzb-info.cz | 21 |
| forum.tzb-info.cz | 19 |
| energetika.tzb-info.cz | 17 |
| m.tzb-info.cz | 17 |
| oze.tzb-info.cz | 17 |
| elektro.tzb-info.cz | 16 |
| stavba.tzb-info.cz | 16 |
| vetrani.tzb-info.cz | 16 |
| voda.tzb-info.cz | 16 |
| vytapeni.tzb-info.cz | 16 |
| vytahy.tzb-info.cz | 15 |
| www.tzb-info.cz | 15 |
| konference.tzb-info.cz | 13 |
| bd2022.tzb-info.cz | 7 |
| bd2023.tzb-info.cz | 7 |
Full technology history →
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Recent changes
- detected Priority Hints Aug 2026