What powers tzb-cz.cz?
Last seen Sep 2026 · 37 technologies across 19 categories
Analytics
Google Analytics
since Jul 2020
CDN
cdnjs
since Oct 2021
Cloudflare
since May 2022
CMS
Databases
MySQL
since Jul 2020
Font scripts
Font Awesome
since Aug 2022
Google Font API
since Jul 2020
JavaScript frameworks
JavaScript libraries
Lightbox
since Jul 2020
lite-youtube-embed
since Apr 2023
Modernizr
since Jul 2020
Swiper
since Mar 2026
Maps
Google Maps
since Aug 2022
Miscellaneous
Programming languages
PHP
since Jul 2020
Security
Tag managers
Google Tag Manager
since Oct 2024
UI frameworks
Video players
Web frameworks
Nette Framework
since Aug 2022
Web servers
Apache HTTP Server
since Jul 2020
Webmail
Microsoft 365
since Aug 2022
Widgets
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.20 / 10 · ranked #3,099,541 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 2500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 3.0 MB · 128 requests
- WordPress theme: avada · all themes
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on O2-CZECH-REPUBLIC (90.182.9.137)
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Sectigo, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 25,240,918, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.tzb-cz.cz | 28 |
| eshop.tzb-cz.cz | 14 |
Full technology history →
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