What powers bso21.com?
Last seen Jun 2026 · 16 technologies across 10 categories
Authentication
Facebook Login
since Jan 2024
CMS
XpressEngine
since Jan 2024
Font scripts
Font Awesome
since Jan 2024
Google Font API
since Jan 2024
JavaScript libraries
jQuery Migrate
since Jan 2024
Miscellaneous
Open Graph
since Jan 2024
RSS
since Jan 2024
Operating systems
CentOS
since Jan 2024
Programming languages
PHP
since Jan 2024
UI frameworks
Animate.css
since Jan 2024
Bootstrap
since Jan 2024
Video players
YouTube
since Jan 2024
Web servers
Audience
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.10 / 10 · ranked #94,361,932 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 7.6 MB · 116 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.