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Contact
One person reads this inbox, so plain email works better than a form. Everything below goes to the same address with the subject pre-filled.
Something is broken
A test that will not start, a score that looks wrong, a layout that breaks on your device. Tell us your browser and device and we will reproduce it.
A test you want
If you measure something we do not, say what and why. Requests that come with a reason for the measurement get built first.
Privacy
Questions about what is stored, or a request to remove something. Results live in your browser, so most requests are answered by clearing your site data — but ask anyway and we will answer within 30 days.
Or write directly to contactrundev@gmail.com.