What powers alte-schule-callenberg.de?
Last seen Jun 2026 · 6 technologies across 4 categories
Analytics
Google Analytics
since Jul 2025
Font scripts
Google Font API
since Apr 2025
JavaScript libraries
Miscellaneous
Open Graph
since Jul 2025
Audience
- 100% phone
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.48 / 10 · ranked #6,685,002 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 2.3 MB · 28 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Closure Library Jan 2026
- dropped Google Sites Dec 2025
- dropped Apache HTTP Server Aug 2025