What powers js4kids.co.kr?
Last seen Jun 2026 · 12 technologies across 6 categories
JavaScript libraries
Maps
Google Maps
since May 2023
Operating systems
UNIX
since May 2019
Programming languages
Web server extensions
Web servers
Apache Tomcat
since May 2019
Audience
- 87% phone
- 8% desktop
- 4% tablet
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.38 / 10 · ranked #41,268,669 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 2.8 MB · 82 requests
Homepage as crawled by the HTTP Archive, Jul 2026.