Measure the Internet. Save the data. Make it universally accessible and helpful.
Latest News

Measurement Lab completes first prototype for IQB Framework
By Melissa Newcomb, Pavlos Sermpezis
January 29, 2026

A Hands-On Tutorial with Reverse Traceroute
By Loqman Salamatian
November 13, 2025

Open Measurement Hackathon at the ACM Internet Measurement Conference (IMC) 2025
By Chris Ritzo, Melissa Newcomb, Pavlos Sermpezis
November 12, 2025
What we do
Founded in 2009, Measurement Lab (M-Lab) is an open platform for studying Internet performance and neutrality over time. We provide public, transparent data to empower researchers, policymakers, and open Internet advocates to make informed decisions about Internet infrastructure and policies. M-Lab is a fiscally sponsored project of the Code for Science & Society.
Global Testing Platform
A network of 425+ servers in 75+ metro areas, hosted at interconnection points and cloud networks.
Check out the PlatformInternet Measurement Data
A large-scale Internet measurement data, consolidated into an open, accessible pipeline.
Dive into the DataCommunity Engagement
Provide technical advice, hold convenings, and bring together stakeholders to foster knowledge exchange and collaboration.
Join the CommunityResearch & Analysis
Host advanced measurement tools, create reporting interfaces, visualizations and research products like the Internet Quality Barometer.
Discover our Latest WorkRun an NDT test
Diagnose the performance of your broadband connection with M-Lab's Network Diagnostics Test (NDT).
Visualisations and more
M-Lab provides software integrations, dashboards, measurements, data APIs, and more to assist in network measurements.
Bringing people together to strengthen the Internet
M-Lab's partners donate the core infrastructure that make measurements possible. Join the movement that enables a diversified, resilient measurement network by donating data or infrastructure.