What powers zsstraz.org?
Last seen Oct 2026 · 21 technologies across 15 categories
Analytics
Google Analytics
since Jul 2019
CDN
jsDelivr
since May 2022
Font scripts
Font Awesome
since Jul 2019
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Windows Server
since Jan 2019
Programming languages
Retargeting
Google Remarketing Tag
since Jul 2021
Tag managers
Google Tag Manager
since Jul 2019
UI frameworks
Web frameworks
Microsoft ASP.NET
since Jan 2019
Nette Framework
since Jul 2019
Web servers
Webmail
Google Workspace
since Aug 2022
Widgets
Wheelio
since Sep 2021
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.50 / 10 · ranked #6,520,940 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 1.6 MB · 31 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on BLUETONE-AS The Czech Republic (85.207.44.228)
- DNS: forpsi.cz
- Email: Google Workspace
- Email security: no SPF record, DMARC quarantine
- Common Crawl link graph: rank 25,533,166, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| zsstraz.org | 13 |
| www.zsstraz.org | 11 |
| bakalari.zsstraz.org | 4 |