What powers contemporary.cz?
Last seen Sep 2026 · 19 technologies across 12 categories
Analytics
CDN
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Page builders
Programming languages
Security
Web frameworks
Web servers
AI Crawlers
Blocks 4 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- ClaudeBot Blocked
- GPTBot Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
The other 29 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
4 of 33 AI crawlers blocked
Audience
- 78% phone
- 22% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.31 / 10 · ranked #2,865,709 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 22.3 MB · 43 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (204.168.133.98)
- DNS: wedos.com
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 9,538,424, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.contemporary.cz | 11 |
| contemporary.cz | 10 |