What powers bu2021.xyz?
Last seen Jun 2026 · 12 technologies across 8 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Nov 2022
CDN
Cloudflare
since Nov 2022
JavaScript frameworks
Ember.js
since Nov 2022
JavaScript libraries
Message boards
Miscellaneous
Programming languages
Ruby
since Nov 2022
Web frameworks
Ruby on Rails
since Nov 2022
Audience
- 78% phone
- 22% desktop
Japan
Taiwan
Singapore
Hong Kong SAR China
China
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.23 / 10 · ranked #72,019,621 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 2600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Chinese (China)
- CDN: Cloudflare
- Weight: 1.8 MB · 61 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Browser Insights Nov 2025