What powers keller.de?
Last seen Jun 2026 · 9 technologies across 7 categories
Ecommerce
Cart Functionality
since Apr 2023
JavaScript libraries
Miscellaneous
Open Graph
since Apr 2023
Security
HSTS
since Nov 2023
UI frameworks
Semantic UI
since Apr 2023
Web servers
Nginx
since Jan 2019
Webmail
Apple iCloud Mail
since Feb 2023
Microsoft 365
since Jul 2024
Audience
- 57% phone
- 43% desktop
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.75 / 10 · ranked #737,597 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German
- Weight: 1.5 MB · 27 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.