What powers visitkrupka.cz?
Last seen Aug 2026 · 15 technologies across 9 categories
Analytics
Google Analytics
since Sep 2022
CDN
cdnjs
since Sep 2022
Cloudflare
since Sep 2022
Google Hosted Libraries
since Sep 2022
Unpkg
since Sep 2022
Font scripts
Google Font API
since Sep 2022
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Sep 2022
UI frameworks
Web frameworks
Nette Framework
since Sep 2022
Web servers
Nginx
since Sep 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 88% phone
- 12% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.81 / 10 · ranked #1,964,107 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 3.0 MB · 69 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on VSHOSTING (185.59.210.221)
- DNS: websupport.cz
- Email: svethostingu.cz
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,832,865
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted