What powers class-one.co.kr?
Last seen Jun 2026 · 19 technologies across 9 categories
CDN
Amazon S3
since Oct 2022
Google Hosted Libraries
since Apr 2023
jQuery CDN
since Apr 2023
jsDelivr
since Apr 2023
CMS
Gnuboard
since Oct 2022
Databases
MySQL
since Oct 2022
Font scripts
Font Awesome
since Aug 2022
Google Font API
since Aug 2022
JavaScript libraries
Miscellaneous
Kakao
since Oct 2022
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Oct 2022
Programming languages
PHP
since Oct 2022
Web servers
Audience
- 66% desktop
- 34% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.41 / 10 · ranked #34,568,536 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 6.8 MB · 27 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| ramada.class-one.co.kr | 15 |
| class-one.co.kr | 10 |
| www.class-one.co.kr | 10 |