What powers netto-check.de?
Last seen Aug 2026 · 14 technologies across 10 categories
Hosting
IONOS
since Apr 2026
JavaScript frameworks
JavaScript graphics
Recharts
since Apr 2026
Live chat
WhatsApp Business Chat
since Apr 2026
Miscellaneous
PaaS
Vercel
since Apr 2026
Performance
Priority Hints
since Apr 2026
Programming languages
Node.js
since Apr 2026
Security
HSTS
since Apr 2026
UI frameworks
Tailwind CSS
since Apr 2026
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Training crawlers
- CCBot Blocked
- ClaudeBot Allowed
- GPTBot Allowed
User-request fetchers
- ChatGPT-User Allowed
The other 29 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 85% phone
- 15% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 0.8 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- CDN: Vercel
- Weight: 0.3 MB · 26 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.