Internet Speed Test — NextSpeed measures application-level download and upload goodput using Measurement Lab’s open NDT7 infrastructure. See clear progress, server details, test duration and transferred data. Save results locally, review simple trends, export CSV files, run neutral connectivity checks and record outages. No account, location or storage permission is required. M-Lab receives and publishes measurement and connection metadata, including the public IP address, after your explicit consent. Results are general guidance and not guaranteed line speed.
Test internet speed, diagnose your connection and keep a private local history.