About

Operator

Yuki Nakazawa (engineer). Free Speed Test is a free internet speed test that one person builds and runs as a hobby. No sign-up and no app: download, upload, ping and jitter are measured right in your browser.

Principles

No ads and no third-party analytics tags. The page loads nothing beyond what the measurement needs, so results are less affected by unrelated traffic and the page stays light.

Open source

The measurement engine is LibreSpeed, published under the LGPLv3. Anyone can read the source code to see exactly how the speed is measured. github.com/librespeed/speedtest

Test servers

The test picks the fastest-responding server from our own server in Sapporo, Japan and 37 public LibreSpeed mirrors around the world. You can also switch servers manually from the server name at the top of the page. Results are recorded on this site even when a public mirror is used.

How test data is used

Results are used to compile speed statistics by connection type and region. They are never published in a form that identifies an individual. See the privacy policy for details. Privacy Policy

Contact

For feedback, bug reports and data deletion requests, please email the address below.
yuki@gstudio1.com