What powers gymnasium-seifhennersdorf.de?
Last seen Jun 2026 · 13 technologies across 10 categories
CMS
Joomla
since Apr 2019
JavaScript libraries
Miscellaneous
Open Graph
since Feb 2023
RSS
since Dec 2022
Page builders
Photo galleries
PhotoSwipe
since Feb 2023
Programming languages
PHP
since Apr 2019
UI frameworks
Bootstrap
since Apr 2019
Video players
YouTube
since Apr 2019
Web servers
Apache HTTP Server
since Apr 2019
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
Audience
- 100% phone
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.81 / 10 · ranked #4,298,076 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German (Germany)
- Weight: 8.5 MB · 54 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| gymnasium-seifhennersdorf.de | 13 |
| www.gymnasium-seifhennersdorf.de | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected PhotoSwipe Jun 2026
- dropped PhotoSwipe Feb 2026