What powers relaxdays.cz?
Last seen Sep 2026 · 32 technologies across 17 categories
Analytics
Blogs
Databases
Font Scripts
JavaScript frameworks
JavaScript Libraries
Miscellaneous
Operating systems
Programming languages
Security
SEO
Tag managers
UI frameworks
Web Frameworks
Web server extensions
Web servers
Widgets
AI Crawlers
Blocks 11 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
- Diffbot Blocked
- FacebookBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- Webzio-Extended Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 22 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
11 of 33 AI crawlers blocked
Audience
- 87% phone
- 13% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.51 / 10 · ranked #2,481,864 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.4 MB · 77 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Sectigo, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 29,729,033, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| relaxdays.cz | 23 |
| www.relaxdays.cz | 13 |
| rezervace.relaxdays.cz | 10 |
| klient.relaxdays.cz | 9 |