What powers upstream.co.kr?
Last seen Jun 2026 · 19 technologies across 10 categories
Analytics
Naver Analytics
since Oct 2024
CDN
Customer data platform
Segment
since Oct 2024
Issue trackers
Sentry
since Oct 2024
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
PaaS
Amazon Web Services
since Oct 2024
Programming languages
Node.js
since Oct 2024
Audience
- 100% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- CDN: Amazon CloudFront
- Weight: 2.1 MB · 44 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.