What powers karl-popper.schule?
Last seen Jun 2026 · 14 technologies across 10 categories
CMS
TYPO3 CMS
since May 2026
Comment systems
Font scripts
JavaScript libraries
Maps
Programming languages
PHP
since Jul 2023
Security
HSTS
since May 2026
Web servers
Apache HTTP Server
since Jul 2023
Webmail
Apple iCloud Mail
since Jul 2024
Microsoft 365
since Jul 2023
Widgets
Audience
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.88 / 10 · ranked #14,993,774 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German (Germany)
- Weight: 0.8 MB · 39 requests
- Structured data: Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped MySQL Jun 2026
- dropped Priority Hints Jun 2026
- dropped RSS Jun 2026
- dropped Twitter Emoji (Twemoji) Jun 2026
- dropped WordPress Jun 2026
- dropped WordPress Site Editor Jun 2026
- detected FancyBox May 2026
- detected Font Awesome May 2026
- detected HSTS May 2026
- detected jQuery May 2026
- detected LazySizes May 2026
- detected Leaflet May 2026
- detected Livefyre May 2026
- detected Modernizr May 2026
- detected ReadSpeaker May 2026
- detected TYPO3 CMS May 2026
- detected Twitter Emoji (Twemoji) Dec 2025