What powers klarfenster.de?
Last seen Jun 2026 · 25 technologies across 19 categories
Advertising
Microsoft Advertising
since Feb 2024
Analytics
Authentication
NextAuth.js
since Feb 2025
CMS
DatoCMS
since Feb 2024
Cookie compliance
Ecommerce
Cart Functionality
since Feb 2024
Issue trackers
Sentry
since Nov 2024
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Marketing automation
Drip
since Mar 2026
Miscellaneous
Open Graph
since Feb 2024
Webpack
since Feb 2024
PaaS
Amazon Web Services
since Mar 2024
Payment processors
PayPal
since Feb 2024
Programming languages
Node.js
since Feb 2024
Reviews
Trustpilot
since Feb 2024
Tag managers
Google Tag Manager
since Feb 2024
UI frameworks
Webmail
Google Workspace
since Oct 2025
Audience
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.83 / 10 · ranked #4,187,325 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German (Germany)
- Weight: 1.9 MB · 116 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apollo May 2026
- dropped GraphQL May 2026
- dropped Sleeknote May 2026
- dropped TypeScript May 2026
- detected Three.js Apr 2026
- detected Drip Mar 2026
- detected Sleeknote Mar 2026
- dropped Microsoft 365 Nov 2025
- detected Google Workspace Oct 2025
- detected VWO Sep 2025