Test your maximum upload/download speed to a nearby server, from any device.Java and Flash speed tests also available.
BETA: Can you stream Netflix? how about Netflix and Youtube HD while also uploading on Twitch.tv? Test all your streaming capability up to 40mbit with our stream simulation tool.
BETA: Realtime in-browser global ping and jitter test. Also please see Puma 6 chipset performance test.
Intensively monitor your connection for 24 or more hours to review packet loss and/or excessive latency variability -- from multiple global locations
Score out of 100 for latency, jitter and packet loss to your connection. Identify any problems en-route to you.
Get your current IP address (including proxy check)
Lookup domains or IP addresses
* Speedstream and Motorola DSL modem spectrum analysis (5100b 4100 and 2210)
Confused about unit conversions? want to see how long it will take to transfer a file at a certain speed? or how much data can be transferred in a given time?
DR TCP - A windows utility for modifying your TCP stack. But: use DrTCP only in conjuction with the advice from the Tweak Test.
Test if your computer is setup correctly for broadband TCP connectivity
Does your ISP promise always-on? are you getting it? keep track of many aspects of your connectivity, and weekly reports as well
(membership necessary - )
Wake your computer up from a remote location (for PCs that support this feature and do not have firewalls blocking UDP port 9)
See the summary of past tests you have run. Speed tests, line quality tests and more are logged under your account