Input Lag Tester!
tussiez

Input Lag Test

Here, you can visually determine the input lag of your mouse to the browser.
The position of the square is a visualization of the mouse position that the script can see.

Since this Repl is kinda boring, I added an easter egg - it's pretty easy to find xD

Enjoy :)

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foodandmoarfood

hmm yes
very useful

tussiez