What powers qr.de?
Last seen Aug 2026 · 23 technologies across 13 categories
Advertising
Affiliate programs
AWIN
since May 2021
Analytics
Google Analytics
since Feb 2020
Hotjar
since Feb 2021
Linkedin Insight Tag
since Jun 2022
Microsoft Clarity
since Dec 2021
CDN
Cloudflare
since Jun 2024
Mailjet
since Aug 2022
Font scripts
Font Awesome
since Feb 2020
Google Font API
since Feb 2020
JavaScript libraries
Miscellaneous
HTTP/3
since Nov 2025
Operating systems
Debian
since Nov 2025
Programming languages
Security
UI frameworks
Web servers
Apache HTTP Server
since Feb 2020
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 91% phone
- 9% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.20 / 10 · ranked #453,053 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 0.9 MB · 24 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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