What powers coldsurf.io?
Last seen Jun 2026 · 20 technologies across 11 categories
Analytics
Cloudflare Browser Insights
since Jun 2026
Google Analytics
since Mar 2025
Naver Analytics
since Jun 2025
CDN
Amazon CloudFront
since Mar 2025
Cloudflare
since Jun 2026
Amazon SES
since Apr 2026
Issue trackers
Sentry
since Jul 2025
JavaScript frameworks
Miscellaneous
PaaS
Amazon Web Services
since Mar 2025
Performance
Priority Hints
since Mar 2025
Programming languages
Node.js
since Mar 2025
UI frameworks
Tailwind CSS
since Jun 2026
Widgets
Ko-fi
since Jun 2026
Audience
- 66% desktop
- 34% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.66 / 10 · ranked #20,551,693 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.6 MB · 23 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| coldsurf.io | 20 |
| billets.coldsurf.io | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Jun 2026
- detected Cloudflare Browser Insights Jun 2026
- detected HTTP/3 Jun 2026
- detected Ko-fi Jun 2026
- detected PWA Jun 2026
- detected Tailwind CSS Jun 2026
- detected Amazon SES Apr 2026