What powers a-challenge.kr?
Last seen Jun 2026 · 26 technologies across 13 categories
Analytics
Google Analytics
since Oct 2020
Naver Analytics
since Aug 2022
CDN
cdnjs
since Aug 2022
Cloudflare
since Aug 2022
jQuery CDN
since Jun 2025
jsDelivr
since Oct 2021
Microsoft Ajax Content Delivery Network
since Jun 2025
Unpkg
since Oct 2021
CMS
Gnuboard
since Aug 2022
Databases
MySQL
since Aug 2022
Font scripts
Google Font API
since Oct 2021
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Oct 2020
Tag managers
Google Tag Manager
since Oct 2020
UI frameworks
Video players
YouTube
since Jun 2025
Web servers
Apache HTTP Server
since Oct 2020
Audience
- 100% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.62 / 10 · ranked #5,514,781 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| a-challenge.kr | 26 |
| www.a-challenge.kr | 20 |
Full technology history →
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Recent changes
- detected Animate.css Aug 2025