# Test Reaction

> Test Reaction is a free online visual reaction time test. Click when the box turns green, get five tries, and see your average reaction time in milliseconds. No sign-up is needed, and results stay in your own browser.

## Pages

- [Home](https://testreaction.org/): The reaction time test tool.
- [About](https://testreaction.org/about/): What the test does, who it is for, and its creator.
- [Blog](https://testreaction.org/blog/): Short guides on reaction time.
- [Privacy Policy](https://testreaction.org/privacy/): How results are stored.
- [Terms and Conditions](https://testreaction.org/terms/): How the test may be used.
- [Disclaimer](https://testreaction.org/disclaimer/): What the test cannot do.
- [Editorial Policy](https://testreaction.org/editorial-policy/): How content is written and checked.
- [Contact](https://testreaction.org/contact/): Feedback and bug reports.

## Tool

- The test measures simple visual reaction time: one signal, one response.
- Each set has five valid tries. The average over five tries is the result.
- Early clicks do not count. Results are for general information and entertainment only, not medical advice.

## Notes

- No account, no download, and no server copy of test results.
- Content on this site is written in plain language, with honest explanations and no exaggerated claims.