M-Lab Speed Test, developed by Measurement Lab, is an advanced internet speed testing tool that provides detailed diagnostics of broadband connections. It measures download and upload speeds, latency, and retransmission rates, offering valuable insights into network performance. The service is designed for researchers, internet service providers, and individuals seeking to understand their broadband connection's capabilities.
The M-Lab Speed Test automatically selects the nearest test server to the user, ensuring a realistic assessment of their broadband connection. The test is conducted within a browser, eliminating the need for software downloads.
The data collected is made publicly available, contributing to a comprehensive understanding of global internet performance. This transparency, combined with the tool's open-source nature, makes it a trusted resource for analyzing broadband connections.