What powers strevlik.cz?
Last seen Sep 2026 · 17 technologies across 13 categories
Analytics
Hotjar
since Aug 2022
Authentication
Facebook Login
since May 2023
Ecommerce
Shoptet
since May 2023
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Jul 2025
Programming languages
PHP
since Aug 2022
Rich text editors
CKEditor
since Aug 2022
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since May 2024
UI frameworks
Web frameworks
Nette Framework
since Aug 2022
Web servers
Nginx
since Aug 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 24% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.10 / 10 · ranked #1,427,528 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.9 MB · 65 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Středisko ekologické výchovy Libereckého kraje
- Founded: 2005
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on WEB4U (81.91.84.119)
- DNS: ignum.com
- Email: webglobe.cz
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 11,322,432, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| strevlik.cz | 13 |
| eshop.strevlik.cz | 10 |