What powers l4d.or.kr?
Last seen Jun 2026 · 20 technologies across 8 categories
Analytics
Naver Analytics
since Aug 2022
JavaScript libraries
Miscellaneous
Operating systems
CentOS
since Aug 2022
Windows Server
since Jul 2022
Programming languages
Java
since Aug 2022
Web server extensions
Web servers
Apache Tomcat
since Aug 2022
Webmail
Google Workspace
since Aug 2022
Audience
- 64% desktop
- 36% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.94 / 10 · ranked #1,689,508 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 2.6 MB · 59 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| e-book.l4d.or.kr | 13 |
| www.l4d.or.kr | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Workspace Apr 2026
- dropped Google Workspace Mar 2026
- dropped IIS Sep 2025
- dropped Microsoft ASP.NET Sep 2025
- detected jQuery UI Aug 2025
- detected mod_dav Aug 2025
- detected mod_ssl Aug 2025
- detected SyntaxHighlighter Aug 2025
- detected XRegExp Aug 2025