What powers 4jsm.com?
Last seen Jun 2026 · 27 technologies across 16 categories
Advertising
Google AdSense
since Aug 2023
Analytics
Google Analytics
since Aug 2023
Naver Analytics
since Aug 2023
Authentication
Facebook Login
since Jun 2025
Blogs
Blogger
since Feb 2024
CDN
CMS
Tistory
since Oct 2023
Cookie compliance
Funding Choices
since Aug 2023
Font scripts
Google Font API
since Jul 2024
Issue trackers
Sentry
since Dec 2024
JavaScript frameworks
Svelte
since Dec 2024
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Google Tag Manager
since Aug 2023
Web servers
OpenGSE
since Feb 2024
Audience
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 2 s |
| CLS | 0.1 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 1.7 MB · 98 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 4jsm.com | 19 |
| ab.4jsm.com | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Tag Manager Nov 2025
- dropped Google Tag Manager Oct 2025
- dropped Snowplow Analytics Sep 2025