What powers kumon.co.kr?
Last seen Jun 2026 · 29 technologies across 15 categories
Advertising
Criteo
since Mar 2022
Analytics
Google Analytics
since Jan 2019
Naver Analytics
since Feb 2022
CDN
jsDelivr
since Sep 2025
Font scripts
Font Awesome
since Oct 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Ubuntu
since Sep 2025
Windows Server
since Aug 2018
Performance
Priority Hints
since Sep 2025
Programming languages
Node.js
since Sep 2025
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Tailwind CSS
since Sep 2025
Video players
YouTube
since Sep 2025
Web frameworks
Microsoft ASP.NET
since Aug 2018
Web servers
Audience
- 54% phone
- 25% desktop
- 20% tablet
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.86 / 10 · ranked #1,846,143 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 31.1 MB · 105 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| contest.kumon.co.kr | 13 |
| kumon.co.kr | 12 |
| www.kumon.co.kr | 12 |
| recruit.kumon.co.kr | 8 |
| admin.htest.kumon.co.kr | 7 |
| admin.mtest.kumon.co.kr | 7 |
| momseminar.kumon.co.kr | 7 |
| ksmile.kumon.co.kr | 6 |
| proid.kumon.co.kr | 5 |
| studytest.kumon.co.kr | 5 |
| etest.kumon.co.kr | 4 |
| mtest.kumon.co.kr | 4 |
| echo.kumon.co.kr | 3 |
| m.kumon.co.kr | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Criteo Apr 2026
- dropped cdnjs Oct 2025
- dropped Cloudflare Oct 2025
- dropped Criteo Oct 2025
- dropped FingerprintJS Oct 2025
- dropped GSAP Oct 2025
- dropped Sentry Oct 2025
- detected jsDelivr Sep 2025