What powers 21-5.de?
Last seen Jun 2026 · 24 technologies across 15 categories
Advertising
Microsoft Advertising
since Mar 2022
Analytics
Google Analytics
since Mar 2022
Linkedin Insight Tag
since Mar 2022
Pinterest Conversion Tag
since Mar 2022
CDN
Cloudflare
since Jul 2022
Cookie compliance
Issue trackers
Sentry
since Nov 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Azure
since Nov 2022
Performance
Priority Hints
since Feb 2025
Programming languages
Node.js
since Nov 2022
Security
Cloudflare Bot Management
since Jul 2022
Tag managers
Google Tag Manager
since Mar 2022
UI frameworks
Headless UI
since Nov 2022
Tailwind CSS
since Nov 2022
Webmail
Microsoft 365
since Aug 2022
Audience
- 82% phone
- 18% desktop
Germany
Austria
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.76 / 10 · ranked #17,499,086 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German
- CDN: Cloudflare
- Weight: 39.9 MB · 48 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 21-5.de | 19 |
| www.21-5.de | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Next.js App Router Mar 2026
- detected Priority Hints Mar 2026
- dropped Cloudflare Browser Insights Feb 2026
- detected Cloudflare Browser Insights Nov 2025