What powers ziji.cz?
Last seen Oct 2026 · 12 technologies across 9 categories
Analytics
Google Analytics
since May 2022
CDN
Google Hosted Libraries
since May 2022
CMS
Font scripts
Google Font API
since Nov 2022
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2022
Performance
Priority Hints
since Nov 2022
Programming languages
PHP
since May 2022
Tag managers
Google Tag Manager
since Oct 2023
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
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.17 / 10 · ranked #3,163,581 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0.2 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 3.3 MB · 68 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (3.125.172.46)
- DNS: websupport.cz
- Email: Seznam Email
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 9,528,404, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted