What powers sorriso.cz?
Last seen Sep 2026 · 7 technologies across 6 categories
Analytics
Google Analytics
since Feb 2019
Authentication
Facebook Login
since Jul 2021
JavaScript libraries
Miscellaneous
HTTP/3
since Apr 2026
Programming languages
Adobe Flash
since Jul 2021
PHP
since Dec 2021
Video players
YouTube
since Feb 2019
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.53 / 10 · ranked #6,247,837 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 1.8 MB · 67 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (81.2.195.64)
- Email: forpsi.com
- Email security: no SPF record, no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 17,292,154, 2 hosts
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apache HTTP Server May 2026
- detected HTTP/3 Apr 2026