What powers questler.de?
Last seen Jun 2026 · 17 technologies across 12 categories
Browser fingerprinting
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Amazon SES
since May 2025
JavaScript graphics
JavaScript libraries
jQuery Migrate
since Apr 2018
Swiper
since Sep 2022
Miscellaneous
PWA
since Aug 2022
Operating systems
Ubuntu
since Aug 2023
PaaS
Amazon Web Services
since May 2025
Programming languages
Security
HSTS
since Sep 2022
UI frameworks
Web servers
Audience
- 76% desktop
- 24% phone
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.08 / 10 · ranked #1,452,873 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German (Germany)
- Weight: 0.5 MB · 76 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| mobil.questler.de | 13 |
| questler.de | 9 |
| www.questler.de | 9 |
| bonus.questler.de | 5 |