SourceForge HTML5 Speed Test — Test: Latency/Ping, Jitter, Down/Up, BufferBloat, PacketLoss

This speed test is uniquely designed to test your current Internet connection speed for Latency/Ping, Jitter, Download Speed, Upload Speed, Buffer Bloat, and Packet Loss. Upon completion, you will be notified as to what types of services your connection is capable of handling, as well as additional reports about your connection. This HTML5 speed test does not require Flash or Java, and works on all devices including tablets and smartphones. This test utilizes WebSockets for latency, jitter, and buffer bloat measurements. For best results close out other open tabs in your browser and ensure your computer is mostly idle.