Metro Gnome
Practice is repetition. Repetition is training.
An online metronome that keeps score
Metro Gnome is a free metronome that runs in the browser — no account, no install, nothing to sign up for. Set a tempo and it clicks. That part works the way you expect.
The rest of it treats practice as training rather than accompaniment. You build a session the way you would build a set of intervals: a work period, an optional rest, a number of sets, and a tempo that climbs by a fixed number of beats per minute each time round. The session runs itself while you play, counting down in type large enough to read from a music stand.
Metronome
Dial in a tempo from 20 to 300 BPM and pick a click: beep, cowbell, cymbal, clave or a low wooden tick. Rhythm patterns let you place individual notes across a bar, accent the ones that matter, and play the result as a loop rather than a flat pulse.
Session trainer
Save a session, run it, and rate it clean, shaky or missed when it ends. That rating is the point: next time you open the same session, Metro Gnome reads your history and suggests the tempo to start from, so you pick up where the playing actually was rather than where you like to think it was.
Everything is stored in this browser and nowhere else. There is an export button for when you want a copy.