What powers 
kolkovna.cz?
Last seen Sep 2026 · 24 technologies across 15 categories
Analytics
Google Analytics
since Aug 2018
Authentication
Facebook Login
since Jul 2021
Ecommerce
Cart Functionality
since Dec 2020
Font scripts
Google Font API
since Aug 2018
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Jun 2023
PWA
since Aug 2022
Photo galleries
PhotoSwipe
since Sep 2022
Programming languages
PHP
since Aug 2018
Security
reCAPTCHA
since Oct 2018
Tag managers
Google Tag Manager
since Jun 2023
UI frameworks
MUI
since Aug 2024
Web frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 84% phone
- 16% desktop
Czechia
Poland
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.70 / 10 · ranked #314,786 of all domains
84 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 125 ms |
| CLS | 0.15 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 4.7 MB · 58 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Stopkova plzeňská pivnice
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on WEB4U (81.91.86.14, IPv6)
- DNS: web4u.cz
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,341,362, 17 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| m.kolkovna.cz | 17 |
| argentinska.kolkovna.cz | 13 |
| budejovicka.kolkovna.cz | 13 |
| celnice.kolkovna.cz | 13 |
| dock.kolkovna.cz | 13 |
| olympia.kolkovna.cz | 13 |
| portal.kolkovna.cz | 13 |
| stodulky.kolkovna.cz | 13 |
| stopkova.kolkovna.cz | 13 |
| vkolkovne.kolkovna.cz | 13 |
| www.kolkovna.cz | 13 |
| eshop.kolkovna.cz | 11 |