What powers rsbp.cz?
Last seen Sep 2026 · 13 technologies across 8 categories
Analytics
Google Analytics
since Apr 2019
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Apr 2019
Security
reCAPTCHA
since Jun 2020
Web frameworks
Nette Framework
since Dec 2020
Web servers
Webmail
Microsoft 365
since Jun 2024
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
- 56% desktop
- 44% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.72 / 10 · ranked #4,817,294 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 3.0 MB · 49 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Websupport (37.9.175.165, IPv6)
- DNS: websupport.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 11,806,975, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted