What powers voipmonitor.org?
Last seen Sep 2026 · 11 technologies across 8 categories
Analytics
CDN
Font scripts
JavaScript libraries
Miscellaneous
Security
Web servers
Webmail
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 97% desktop
- 3% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.61 / 10 · ranked #2,303,724 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 3.1 MB · 44 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on VSHOSTING (78.24.12.71, IPv6)
- DNS: websupport.cz
- Email: Google Workspace
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 1,096,742, 3 hosts
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
- dropped YouTube Apr 2026
- detected Google Font API Dec 2025
- detected Open Graph Dec 2025