What powers 
koulier.cz?
Last seen Oct 2026 · 34 technologies across 16 categories
Analytics
Authentication
CDN
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
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 Nov 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Nov 2026 llms.txt appeared
- Sep 2026 llms.txt removed
- Sep 2026 llms.txt appeared
- Aug 2026 llms.txt removed
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 84% phone
- 13% desktop
- 4% tablet
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.50 / 10 · ranked #897,287 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 29.3 MB · 68 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on ACTIVE24-AS ACTIVE 24, s.r.o. (81.95.110.66)
- DNS: wedos.com
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 10,932,089, 4 hosts
- Verified with: Meta Business
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| koulier.cz | 26 |
| eshop.koulier.cz | 17 |
| www.koulier.cz | 15 |
| exkurze.koulier.cz | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Lightbox Aug 2026
- detected Amazon S3 May 2026
- detected Amazon Web Services May 2026