What powers 4399sy.com?
Last seen Jun 2026 · 16 technologies across 8 categories
Analytics
Baidu Analytics (百度统计)
since Sep 2020
JavaScript frameworks
Vue.js
since Aug 2023
JavaScript graphics
particles.js
since Aug 2023
JavaScript libraries
Miscellaneous
Swiper Slider
since Mar 2020
Webpack
since Aug 2023
Programming languages
C
since Feb 2023
UI frameworks
Animate.css
since Mar 2022
Web servers
Nginx
since Aug 2018
Audience
- 100% desktop
United Kingdom
Canada
Australia
South Korea
Malaysia
Taiwan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.01 / 10 · ranked #1,563,760 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 25 ms |
| CLS | 0.4 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| m-wm.4399sy.com | 8 |
| wm.4399sy.com | 8 |
| a.yxqz.4399sy.com | 5 |
| zzsj.4399sy.com | 5 |
| 4399sy.com | 4 |
| m-mxdzz.4399sy.com | 4 |
| a.4399sy.com | 3 |
| game.4399sy.com | 2 |
| fe.4399sy.com | 1 |