Open Source

Measurement tools are openly licensed and operated, allowing third parties to develop their own client-side measurement software and audit the source.

Public Data

Data collected is made available to the public, allowing researchers and anyone else to build on a common pool of network measurement information.

Global

Distributed infrastructure and large user base provides an open, verifiable measurement platform for global network performance.

Trusted

Used by public organization, academic researchers, regulators and companies around the world to understand the health of the Internet.

Internet Measurement Tests

M-Lab hosts a number of measurement tests, allowing you to check for everything from network speed and latency to blocking and throttling. Explore them below, and run a test to learn more about your connection.

All tests hosted on M-Lab only perform active measurements. This means that tests only run when people decide to run them. They do not passively monitor your connection. M-Lab hosted tests do not download or upload files to or from your device. Instead tests measure the way in which the network responds to a synthetic stream of data that is generated by the individual test specifically for the purpose of measurement. The tests do not collect information about your other Internet traffic, such as your emails or web searches, or any personally identifiable information.

• All data collected will be made publicly available, including the IP addresses that users use to connect to the test.
• All data collected is stored and published indefinitely.
• M-Lab cannot delete the data associated with individual user tests once it has been collected.
• All tests are open source and created and maintained by researchers.