What powers smc.seoul.kr?
Last seen Jun 2026 · 28 technologies across 12 categories
Analytics
Google Analytics
since Nov 2022
CDN
Editors
DreamWeaver
since Jul 2022
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Java
since Jun 2020
Security
HSTS
since Sep 2022
UI frameworks
Video players
Web servers
Apache HTTP Server
since Jun 2020
Audience
- 84% desktop
- 16% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.74 / 10 · ranked #283,430 of all domains
127 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 3.0 MB · 63 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| library.smc.seoul.kr | 10 |
| ms.smc.seoul.kr | 9 |
| webzine.smc.seoul.kr | 9 |
| education.smc.seoul.kr | 8 |
| green.smc.seoul.kr | 8 |
| www.smc.seoul.kr | 8 |
| smc.seoul.kr | 5 |
| search.smc.seoul.kr | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected GSAP Apr 2026
- detected lit-element Apr 2026
- detected lit-html Apr 2026
- detected ScrollMagic Apr 2026
- dropped Typekit Jan 2026
- detected Typekit Nov 2025
- dropped Apache Tomcat Aug 2025
- dropped mod_jk Aug 2025
- dropped OpenSSL Aug 2025
- dropped PHP Aug 2025
- dropped UNIX Aug 2025