What powers jackwest.cz?
Last seen Sep 2026 · 22 technologies across 14 categories
Analytics
Google Analytics
since Sep 2025
CDN
Cloudflare
since Oct 2024
Font scripts
Google Font API
since Aug 2022
JavaScript frameworks
Vue.js
since Oct 2024
JavaScript libraries
Live chat
Maps
Google Maps
since Oct 2024
Operating systems
Debian
since Jan 2023
Programming languages
PHP
since Aug 2022
Security
Cloudflare Bot Management
since Oct 2024
reCAPTCHA
since Mar 2025
Tag managers
Google Tag Manager
since Aug 2022
Video players
Vimeo
since Oct 2024
Web servers
Apache HTTP Server
since Jan 2023
Webmail
Microsoft 365
since Feb 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.75 / 10 · ranked #4,631,526 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 50 ms |
| CLS | 0.3 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 8.1 MB · 109 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (213.239.192.239)
- DNS: ignum.eu
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 74,418,850, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.jackwest.cz | 20 |
| eshop.jackwest.cz | 6 |
Full technology history →
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Recent changes
- dropped YouTube Jun 2026