What powers river.cf?
Last seen Jun 2026 · 7 technologies across 7 categories
Advertising
Twitter Ads
since Oct 2021
Analytics
Google Analytics
since Oct 2021
CDN
Cloudflare
since Mar 2025
Miscellaneous
Open Graph
since Sep 2022
Security
Cloudflare Bot Management
since Mar 2025
Web servers
Nginx
since Jan 2025
Widgets
Twitter
since Oct 2021
Audience
- 92% phone
- 8% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.42 / 10 · ranked #32,855,815 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.3 MB · 11 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025