What powers 21run.com?
Last seen Jun 2026 · 44 technologies across 18 categories
Advertising
Microsoft Advertising
since Feb 2021
Analytics
Cloudflare Browser Insights
since May 2021
Google Analytics
since Jun 2018
Google Analytics Enhanced eCommerce
since Jun 2018
CDN
cdnjs
since Oct 2021
Cloudflare
since Oct 2018
Databases
MySQL
since Jan 2019
Ecommerce
Font scripts
Typekit
since Jun 2018
Issue trackers
Cloudflare Network Error Logging
since Feb 2022
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Programming Languages
Reviews
Trusted Shops
since Aug 2022
Security
Cloudflare Bot Management
since Apr 2025
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since May 2018
UI frameworks
Headless UI
since Jul 2022
Tailwind CSS
since Apr 2022
Video players
Vimeo
since Apr 2025
Web Frameworks
Ruby on Rails
since Aug 2018
Audience
- 77% phone
- 20% desktop
- 3% tablet
Germany
Austria
Sweden
Ireland
Denmark
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.24 / 10 · ranked #1,208,276 of all domains
69 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0.15 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German
- CDN: Cloudflare
- Weight: 24.2 MB · 49 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.21run.com | 33 |
| 21run.com | 17 |
| help.21run.com | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- detected Vimeo May 2026
- dropped Cloudflare Bot Management Jan 2026
- dropped Vimeo Jan 2026
- detected Cloudflare Bot Management Nov 2025
- detected Vimeo Nov 2025
- dropped Cloudflare Bot Management Oct 2025
- dropped Vimeo Oct 2025