What powers qerko.com?
Last seen Jun 2026 · 29 technologies across 14 categories
Advertising
Microsoft Advertising
since Aug 2025
Analytics
Caching
Varnish
since Jun 2022
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Fastly
since Jun 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Jun 2022
Cookie compliance
Font scripts
Google Font API
since Dec 2020
JavaScript libraries
Miscellaneous
Page builders
Webflow
since Jun 2022
Payment processors
Stripe
since Aug 2022
Security
Tag managers
Google Tag Manager
since Mar 2020
Video players
YouTube
since Jun 2022
Web servers
Audience
- 59% phone
- 41% desktop
Slovakia
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.91 / 10 · ranked #639,297 of all domains
67 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 6.6 MB · 168 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.qerko.com | 21 |
| qerko.com | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Workspace Apr 2026
- dropped Sendgrid Apr 2026
- dropped Amazon Web Services Mar 2026
- detected Cookiebot Aug 2025
- detected Facebook Pixel Aug 2025
- detected Microsoft Advertising Aug 2025