What powers koa.or.kr?
Last seen Jun 2026 · 31 technologies across 14 categories
Analytics
Google Analytics
since Sep 2021
CDN
Amazon CloudFront
since Aug 2022
Amazon S3
since Aug 2022
cdnjs
since Oct 2023
Cloudflare
since Oct 2023
Google Hosted Libraries
since Jul 2024
jQuery CDN
since Aug 2022
jsDelivr
since Aug 2022
Unpkg
since Aug 2022
Font scripts
Google Font API
since Aug 2018
JavaScript frameworks
JavaScript libraries
Live chat
Channel.io
since Dec 2022
Miscellaneous
Open Graph
since Nov 2022
Webpack
since Aug 2022
Operating Systems
UNIX
since Apr 2018
PaaS
Amazon Web Services
since Aug 2022
Payment processors
Programming languages
Web Server Extensions
Web servers
Apache HTTP Server
since Apr 2018
Webmail
Google Workspace
since Aug 2022
Audience
- 79% desktop
- 21% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.48 / 10 · ranked #916,037 of all domains
64 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 8.3 MB · 90 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| koa2022.koa.or.kr | 19 |
| koa.or.kr | 9 |
| new.koa.or.kr | 9 |
| www.koa.or.kr | 9 |
| 2018.koa.or.kr | 8 |
| training2.koa.or.kr | 7 |
| 2023.koa.or.kr | 6 |
| 2024.koa.or.kr | 6 |
| 2025.koa.or.kr | 6 |
| eng.koa.or.kr | 6 |
| faculty.koa.or.kr | 6 |
| 2020.koa.or.kr | 5 |
| 2021.koa.or.kr | 5 |
| record.koa.or.kr | 5 |
| m.koa.or.kr | 4 |
| mobile.koa.or.kr | 2 |