What powers v16.cz?
Last seen Sep 2026 · 10 technologies across 10 categories
Analytics
CDN
Cloudflare
since Sep 2026
Font scripts
Google Font API
since Oct 2020
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Operating systems
Debian
since Oct 2020
Security
Cloudflare Bot Management
since Sep 2026
Video players
YouTube
since Oct 2020
Web servers
Widgets
EmbedSocial
since Sep 2026
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
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.93 / 10 · ranked #14,007,632 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 1.8 MB · 32 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on VODAFONE-CZ-AS (193.104.172.228)
- DNS: forpsi.cz
- Email: no MX record returned
- Email security: DNSSEC signed
- Common Crawl link graph: rank 16,890,493, 5 hosts
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Sep 2026
- detected Cloudflare Bot Management Sep 2026
- detected EmbedSocial Sep 2026