What powers virtuelles-klassenbuch.de?
Last seen Jun 2026 · 9 technologies across 7 categories
CDN
Google Hosted Libraries
since Feb 2022
JavaScript libraries
Miscellaneous
Google Code Prettify
since Dec 2020
PWA
since Mar 2024
Operating systems
Debian
since Dec 2020
Programming languages
PHP
since Nov 2021
UI frameworks
Web servers
Audience
- 73% phone
- 27% desktop
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.70 / 10 · ranked #4,951,508 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.3 MB · 19 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| virtuelles-klassenbuch.de | 9 |
| www.virtuelles-klassenbuch.de | 9 |