What powers doomchk.com?
Last seen Jun 2026 · 19 technologies across 13 categories
Advertising
Google AdSense
since Feb 2026
Twitter Ads
since Apr 2026
Analytics
Google Analytics
since Feb 2026
Naver Analytics
since Feb 2026
Authentication
Apple Sign-in
since Feb 2026
Google Sign-in
since Feb 2026
CDN
Cloudflare
since Feb 2026
Font scripts
Google Font API
since Feb 2026
JavaScript graphics
JavaScript libraries
Miscellaneous
HTTP/3
since Feb 2026
Open Graph
since Feb 2026
PaaS
Render
since Feb 2026
Performance
Priority Hints
since Feb 2026
Programming languages
Node.js
since Feb 2026
Security
Cloudflare Bot Management
since May 2026
reCAPTCHA
since Feb 2026
Web frameworks
Express
since Feb 2026
Audience
- 79% phone
- 21% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 4.1 s |
| INP | 225 ms |
| CLS | 0.3 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- CDN: Cloudflare
- Weight: 7.2 MB · 66 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Kakao Jun 2026
- dropped Microsoft Clarity Jun 2026
- dropped Phaser Jun 2026
- dropped React Jun 2026
- dropped React Router Jun 2026
- detected Cloudflare Bot Management May 2026
- detected Three.js May 2026