What powers arfa.cz?
Last seen May 2026 · 42 technologies across 19 categories
Advertising
33Across
since Jan 2023
AppNexus
since Dec 2025
Google AdSense
since May 2020
Infolinks
since Feb 2022
LiveIntent
since Apr 2024
MGID
since Nov 2021
OpenX
since Dec 2025
Rubicon Project
since Jun 2021
Tapad
since Dec 2025
Analytics
Google Analytics
since Feb 2020
Snowplow Analytics
since Jul 2023
CDN
Cloudflare
since Nov 2021
CMS
Databases
MySQL
since Feb 2020
Font scripts
Google Font API
since Feb 2020
JavaScript graphics
Chart.js
since Dec 2020
JavaScript libraries
Slick
since Feb 2020
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
PHP
since Feb 2020
Security
Cloudflare Bot Management
since Nov 2021
reCAPTCHA
since Apr 2022
Segmentation
Adobe Audience Manager
since Jun 2022
Tag managers
Google Tag Manager
since Mar 2020
UI frameworks
Video players
Web servers
Apache HTTP Server
since Mar 2020
Widgets
AddThis
since Feb 2020
WordPress plugins
WordPress themes
AFThemes CoverNews
since Feb 2022
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.06 / 10 · ranked #1,494,674 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 100 ms |
| CLS | 0.2 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 5.4 MB · 874 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Microsoft ASP.NET Apr 2026
- detected Cloudflare Jan 2026
- detected Cloudflare Bot Management Jan 2026
- detected AppNexus Dec 2025
- detected OpenX Dec 2025
- detected Tapad Dec 2025
- detected Adobe Audience Manager Aug 2025
- dropped Amazon ALB Aug 2025
- dropped Amazon Web Services Aug 2025
- detected Microsoft ASP.NET Aug 2025