What powers sdedu.co.kr?
Last seen Jun 2026 · 15 technologies across 7 categories
Analytics
CMS
Gnuboard
since Apr 2022
Databases
MySQL
since Apr 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jun 2018
Tag managers
Google Tag Manager
since Dec 2023
Audience
- 74% desktop
- 18% phone
- 7% tablet
South Korea
India
Indonesia
Vietnam
Philippines
Pakistan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.49 / 10 · ranked #6,564,512 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 8.0 MB · 211 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| intra.sdedu.co.kr | 13 |
| m.sdedu.co.kr | 13 |
| www.sdedu.co.kr | 13 |
| cyber.sdedu.co.kr | 7 |
Full technology history →
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Recent changes
- detected Kakao Aug 2025