Measurement Lab has a series of tools for Testing Your Internet Connection:
- Network Diagnostic Tool: Test your connection speed and receive sophisticated diagnosis of problems limiting speed
- Glasnost: Test whether BitTorrent is being blocked or throttled
- Network Path and Application Diagnosis: Diagnose common problems that impact last-mile broadband networks
- Pathload2: Test your available bandwidth
- Diffprobe: Determine whether an ISP is giving some traffic a lower priority than other traffic
- NANO: Determine whether an ISP is degrading the performance of a certain subset of users, applications, or destinations