全球Ping测试

50 个监测点，支持 ICMP / TCP 端口检查和 MTR

Free tool for web application load testing that allows for the simulation of concurrent connections to your web application's APIs

百度新推出的测测可以监控网站

OctaGate can help you; Use a mixed server environment on one IP address

Pingdom Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.

运行一个免费的网站速度测试从全球各地使用真实的浏览器在消费者连接速度与详细的优化建议。