What powers krbex.cz?
Last seen Oct 2026 · 15 technologies across 12 categories
Analytics
Google Analytics
since Jul 2019
CDN
Google Hosted Libraries
since Jun 2022
Font scripts
JavaScript libraries
Lightbox
since Jul 2019
OWL Carousel
since Jul 2019
Maps
Google Maps
since Jul 2019
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jul 2019
Security
reCAPTCHA
since Feb 2024
Tag managers
Google Tag Manager
since May 2023
UI frameworks
Web frameworks
Web servers
Nginx
since Jul 2019
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.67 / 10 · ranked #5,152,339 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.1 MB · 80 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on ACTIVE24-AS www.active24.cz (81.95.110.77)
- DNS: Active 24
- Email: active24.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 41,676,000, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted