What powers 4399xyx.com?
Last seen Jun 2026 · 7 technologies across 5 categories
JavaScript libraries
Load balancers
Operating systems
Windows Server
since Dec 2020
Web frameworks
Microsoft ASP.NET
since Dec 2020
Web servers
Audience
- 100% phone
Taiwan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.45 / 10 · ranked #29,406,343 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| m.4399xyx.com | 7 |
| www.4399xyx.com | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Nginx Dec 2025