What powers lubstar.cz?
Last seen Sep 2026 · 22 technologies across 12 categories
Analytics
Google Analytics
since Jun 2021
Snowplow Analytics
since Dec 2022
CDN
cdnjs
since Dec 2022
Cloudflare
since Dec 2022
Google Hosted Libraries
since Aug 2022
jQuery CDN
since Dec 2022
jsDelivr
since Dec 2022
Font scripts
Font Awesome
since Dec 2022
Google Font API
since Dec 2022
JavaScript libraries
Live chat
Miscellaneous
Open Graph
since Dec 2022
Programming languages
PHP
since Nov 2021
Security
HSTS
since Dec 2022
Tag managers
Google Tag Manager
since Dec 2022
UI frameworks
Web frameworks
Web servers
Nginx
since Dec 2022
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 56% desktop
- 44% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.12 / 10 · ranked #3,282,081 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 3.9 MB · 39 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (3.121.241.33)
- DNS: grdns.cz
- Email: lubstar.cz
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- Common Crawl link graph: rank 19,279,820, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Aug 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| eshop.lubstar.cz | 19 |
| www.lubstar.cz | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js May 2026
- dropped Facebook Pixel May 2026