What powers protravel.cz?
Last seen Sep 2026 · 11 technologies across 9 categories
Analytics
Google Analytics
since Jan 2019
CDN
Google Hosted Libraries
since Feb 2022
Microsoft 365
since Aug 2022
SparkPost
since Aug 2022
JavaScript libraries
Operating systems
Debian
since Nov 2022
Programming languages
Security
reCAPTCHA
since Mar 2019
Tag managers
Google Tag Manager
since Jan 2019
Web servers
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 70% phone
- 30% desktop
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.40 / 10 · ranked #1,002,505 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech (Czechia)
- Weight: 1.4 MB · 44 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on BLINDSPOT (91.239.203.236, IPv6)
- DNS: thinline.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Sectigo, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 918,586, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.protravel.cz | 11 |
| rezervace.protravel.cz | 8 |