What powers lehrer-app.com?
Last seen Jun 2026 · 34 technologies across 15 categories
Analytics
Matomo Analytics
since Aug 2022
PayPal Marketing Solutions
since Oct 2022
CDN
cdnjs
since Sep 2024
Cloudflare
since Sep 2024
CMS
Concrete CMS
since Sep 2024
Font scripts
Font Awesome
since Oct 2022
Hosting
IONOS
since Aug 2022
Issue trackers
Sentry
since Oct 2022
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Babel
since Sep 2024
Open Graph
since Sep 2022
Popper
since Oct 2022
PWA
since Aug 2022
Webpack
since Aug 2022
Payment processors
Programming languages
PHP
since Nov 2021
TypeScript
since Oct 2022
Security
HSTS
since Oct 2022
UI frameworks
Bootstrap
since Nov 2021
Tailwind CSS
since Aug 2022
Web servers
Apache HTTP Server
since Sep 2024
Nginx
since Nov 2021
Audience
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.30 / 10 · ranked #8,590,750 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German
- Weight: 3.2 MB · 42 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| app.lehrer-app.com | 18 |
| blog.lehrer-app.com | 15 |
| lehrer-app.com | 9 |