What powers cloudclass.co.kr?
Last seen Apr 2026 · 18 technologies across 9 categories
Analytics
Google Analytics
since Nov 2020
Naver Analytics
since Apr 2022
CDN
Amazon CloudFront
since Dec 2025
Amazon S3
since Dec 2025
cdnjs
since Dec 2025
Cloudflare
since Dec 2025
Font scripts
Google Font API
since Nov 2020
JavaScript frameworks
JavaScript libraries
Load balancers
Amazon ALB
since Sep 2021
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
PaaS
Amazon Web Services
since Sep 2021
Programming languages
Java
since Sep 2021
Audience
- 63% desktop
- 37% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.24 / 10 · ranked #69,720,218 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| www.cloudclass.co.kr | 16 |
| cloudclass.co.kr | 14 |
Full technology history →
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Recent changes
- dropped Google Tag Manager Dec 2025