What powers rojek.cz?
Last seen Aug 2026 · 25 technologies across 16 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Page builders
Photo galleries
Programming languages
Security
UI frameworks
Web servers
WordPress plugins
AI Crawlers
Blocks 10 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- GPTBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- PerplexityBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 23 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
10 of 33 AI crawlers blocked
Audience
- 75% phone
- 25% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.09 / 10 · ranked #1,439,209 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 3.3 MB · 76 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SECURITYNET-AS (176.102.65.203)
- DNS: ignum.com
- Email: no MX record returned
- Email security: SPF (hard fail), DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 15,438,531, 4 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| en.rojek.cz | 22 |
| www.rojek.cz | 5 |
Full technology history →
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Recent changes
- dropped HSTS Nov 2025