Aim Trainer

Press Start and targets appear one at a time at random spots in the box. Click each one as fast as you can; after 15 targets the trainer reports your average time per target in milliseconds.

Move and click in one motion instead of hovering to aim. Lower averages are better, and your fastest average is stored in your browser to beat.

How it works: everything runs in your browser — timing uses a high-resolution clock (performance.now()) and your best score is saved on this device only. Nothing is uploaded, and there's nothing to install.