Test your internet speed on any device with Speedtest by Ookla, available for free on desktop and mobile apps.

Test your internet speed with Speedtest by Ookla, a reliable tool for measuring broadband performance worldwide.

© 2006-2026 Ookla, LLC., a Ziff Davis company. All Rights Reserved. Ookla®, Speedtest®, and Speedtest Intelligence® are among …

© 2006-2026 Ookla, LLC., an Accenture company. All Rights Reserved. Ookla ®, Speedtest ®, and Speedtest Intelligence ® are …

Ookla® and Speedtest® are among some of the federally registered trademarks of Ookla, LLC and may only be used with explicit …

To accurately test your internet speed, we recommend Ookla Speedtest. Test your network performance and quality here: …

To accurately test your internet speed, we recommend Ookla Speedtest. Test your network performance and quality here: …

# Matches supported platforms at: https://packagecloud.io/ookla/speedtest-cli

# Matches supported platforms at: https://packagecloud.io/ookla/speedtest-cli

Speedtestを迅速かつ簡単に実行できるようになりました。無料のWindows用Speedtestデスクトップアプリをダウンロードし、ボ …