What powers coolschool.co.kr?
Last seen May 2026 · 39 technologies across 14 categories
Analytics
CDN
cdnjs
since Oct 2021
Cloudflare
since May 2024
Google Hosted Libraries
since May 2026
jsDelivr
since Jul 2020
Font scripts
Font Awesome
since Jul 2020
Google Font API
since Apr 2020
JavaScript frameworks
JavaScript Libraries
Live chat
Channel.io
since May 2026
Miscellaneous
Programming languages
Tag managers
Google Tag Manager
since Feb 2019
UI frameworks
Web frameworks
CodeIgniter
since Sep 2021
Express
since Feb 2019
Web servers
Nginx
since Feb 2019
Webmail
Microsoft 365
since Mar 2024
Widgets
FlexSlider
since Mar 2020
Audience
- 100% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.63 / 10 · ranked #5,438,782 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| www.coolschool.co.kr | 28 |
| samstory.coolschool.co.kr | 20 |
| issue.coolschool.co.kr | 7 |
| t-fun.coolschool.co.kr | 6 |
| member.coolschool.co.kr | 5 |
Full technology history →
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Recent changes
- dropped Google Remarketing Tag May 2026