What powers 4th.kr?
Last seen Jun 2026 · 16 technologies across 10 categories
Advertising
Google AdSense
since Jan 2019
Analytics
Google Analytics
since Jan 2019
Naver Analytics
since Sep 2023
Font scripts
Google Font API
since Apr 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Retargeting
Google Remarketing Tag
since Jul 2021
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web servers
Nginx
since Jun 2021
Audience
- 52% desktop
- 47% phone
- 1% tablet
South Korea
United States
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.16 / 10 · ranked #472,916 of all domains
72 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 3.6 MB · 117 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.4th.kr | 14 |
| 4th.kr | 13 |