What powers class5.co.kr?
Last seen Jun 2026 · 15 technologies across 9 categories
Analytics
Google Analytics
since Dec 2024
Naver Analytics
since Dec 2024
Font scripts
Bootstrap Icons
since Dec 2024
JavaScript libraries
AOS
since Dec 2024
Clipboard.js
since Dec 2024
Miscellaneous
Open Graph
since Dec 2024
PWA
since Dec 2024
Programming languages
PHP
since Dec 2024
UI frameworks
Material Design Lite
since Dec 2024
Video players
YouTube
since Dec 2024
Web frameworks
CodeIgniter
since Dec 2024
Web servers
Apache HTTP Server
since Dec 2024
Audience
- 91% desktop
- 7% tablet
- 2% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.45 / 10 · ranked #29,426,155 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 7.8 MB · 127 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| class5.co.kr | 15 |
| play.class5.co.kr | 14 |
| www.class5.co.kr | 14 |