What powers franz-keller.de?
Last seen Jun 2026 · 13 technologies across 12 categories
Analytics
Etracker
since Apr 2021
CMS
TYPO3 CMS
since Jan 2019
MailChimp
since Aug 2022
JavaScript frameworks
GSAP
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Operating systems
Ubuntu
since Mar 2022
Programming languages
PHP
since Jan 2019
Security
HSTS
since Nov 2023
UI frameworks
Web servers
Webmail
Microsoft 365
since Apr 2023
Audience
- 67% phone
- 26% desktop
- 7% tablet
Germany
Switzerland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.47 / 10 · ranked #406,727 of all domains
95 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German (Germany)
- Weight: 25.6 MB · 49 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.