What powers checkfelix.com?
Last seen Jun 2026 · 14 technologies across 10 categories
Advertising
DoubleClick for Publishers (DFP)
since Dec 2025
Google Publisher Tag
since Mar 2025
Authentication
Google Sign-in
since Feb 2021
Caching
Varnish
since Jun 2018
CDN
Cloudflare
since Dec 2024
Issue trackers
GetFeedback
since Aug 2024
JavaScript frameworks
Miscellaneous
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Mar 2025
Webmail
Apple iCloud Mail
since Nov 2024
Audience
- 79% phone
- 17% desktop
- 3% tablet
Austria
Germany
Switzerland
Greece
Hungary
Slovakia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.48 / 10 · ranked #914,238 of all domains
81 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 325 ms |
| CLS | 0.2 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German (Austria)
- CDN: Fastly
- Weight: 8.5 MB · 396 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected LottieFiles Apr 2026
- dropped Moment.js Jan 2026
- detected DoubleClick for Publishers (DFP) Dec 2025
- detected Prism Nov 2025