Network reachability test

This page checks which analytics services your network can reach. It takes about 30 seconds. It collects no personal data — no name, no login, no IP is stored. You can read exactly what it does in the results below.

此页面用于检测你的网络可以访问哪些分析服务，大约需要 30 秒。不会收集任何个人信息——不记录姓名、账号或 IP 地址。

Please turn your VPN off before testing — otherwise the result tells us nothing.
测试前请关闭 VPN，否则结果无效。