What powers efree-lab.kr?
Last seen Jun 2026 · 28 technologies across 13 categories
Advertising
Criteo
since Feb 2026
Analytics
Datadog
since Feb 2026
Google Analytics
since Feb 2026
Microsoft Clarity
since Feb 2026
Naver Analytics
since Feb 2026
CDN
Amazon CloudFront
since Feb 2026
Ecommerce
Imweb
since Feb 2026
Font scripts
Font Awesome
since Feb 2026
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since Feb 2026
Rich text editors
Tag managers
Google Tag Manager
since Feb 2026
UI frameworks
Video players
YouTube
since Feb 2026
Web servers
Nginx
since Feb 2026
Audience
- 98% phone
- 2% tablet
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 2.4 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Full technology history →
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Recent changes
- dropped Cloudflare May 2026
- dropped Cloudflare Bot Management May 2026
- dropped Sentry May 2026
- dropped Vimeo May 2026