Found a bug in one of the tests, a mistake in a guide, or an idea for a new tool? Email us and include the page address so we can find what you mean.
What to include
- The page address
- Your browser and device, for test problems
- What you expected and what happened
What we cannot help with
We cannot verify scores for competitions, help with game accounts or provide repairs for specific mice. For hardware faults, contact the maker or seller of your device.
Last updated 18 September 2026