What powers 4jo.co.kr?
Last seen Jun 2026 · 13 technologies across 11 categories
Analytics
Naver Analytics
since Feb 2026
CDN
Font scripts
Google Font API
since Feb 2026
JavaScript libraries
Miscellaneous
Open Graph
since Feb 2026
Operating systems
CentOS
since Feb 2026
Programming languages
Tag managers
Google Tag Manager
since Feb 2026
Web frameworks
CodeIgniter
since Feb 2026
Web server extensions
Web servers
Audience
- 54% phone
- 46% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0.15 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.2 MB · 35 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.