What powers etd.cz?
Last seen Sep 2026 · 10 technologies across 9 categories
Analytics
Google Analytics
since May 2020
CDN
Cloudflare
since Sep 2023
Font scripts
Google Font API
since May 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Photo galleries
Programming languages
PHP
since Sep 2021
Security
Cloudflare Bot Management
since Sep 2023
Web servers
Apache HTTP Server
since May 2020
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
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.40 / 10 · ranked #2,686,655 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 2.2 MB · 57 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: dexus.cz
- Email: dexus.net
- Email security: SPF (hard fail), no DMARC record
- SSL: SSL.com, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 24,842,832, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| eshop.etd.cz | 10 |
| www.etd.cz | 2 |