What powers vvs.cz?
Last seen Aug 2026 · 28 technologies across 14 categories
Analytics
Google Analytics
since Dec 2021
Authentication
Facebook Login
since Dec 2021
CMS
Databases
MySQL
since Dec 2021
Font scripts
Google Font API
since Dec 2021
JavaScript libraries
jPlayer
since Oct 2022
OWL Carousel
since Dec 2021
Maps
Google Maps
since Dec 2021
Miscellaneous
Programming languages
PHP
since Dec 2021
Security
UI frameworks
Bootstrap
since Dec 2021
Web servers
Nginx
since Feb 2023
Webmail
Apple iCloud Mail
since Aug 2026
WordPress plugins
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
- 100% phone
Indonesia
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.31 / 10 · ranked #2,862,038 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.8 s |
| CLS | 0.25 |
| TTFB | 3600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.5 MB · 106 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on RESAL-AS (91.227.7.76)
- DNS: hukot.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 12,867,317, 3 hosts
- Verified with: Apple Business, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Apple iCloud Mail Aug 2026
- detected HSTS Feb 2026
- dropped Microsoft Ajax Content Delivery Network Nov 2025