A metronome is the least glamorous and most useful tool in a practice room. It tells the truth about your timing when your ear wants to flatter you, and it is how loose playing turns into tight playing. Set the tempo in the online metronome, pick a time signature, press start, and play to the click.
It is free, runs in your browser with no sign-up, and works offline once loaded, so you do not need a connection in the practice room.
Set the tempo
Set the beats per minute with the slider or the buttons. If you do not know the exact BPM but you can hear or feel the tempo, use tap tempo: tap the button along with the beat a few times and it works out the speed from the gaps between your taps. That is the fastest way to match a recording without counting it out by hand.
Pick the time signature
Choose how many beats fall in each bar. The first beat of every bar gets a higher, accented click so you can feel where the bar starts, which is what keeps you oriented in 3/4 against 4/4 or anything less common. Change the signature and the accent simply comes round after a different number of beats.
Start and play along
Press start and play to the click. The beat dots light up in time, so you can follow the pulse by eye as well as ear, which helps when you are first locking in or working in a noisy room. Adjust the BPM as you go without stopping.
Why it does not drift
A metronome is only worth anything if the click is rock steady, and a surprising number are not. The trick is in how each click is timed: it is scheduled ahead on the audio clock rather than triggered by an ordinary timer that a busy browser can delay. Scheduling ahead is what stops the stutter and drift you get otherwise, so the click you hear stays locked to the number you set, bar after bar.
What it is good for
- Instrument and vocal practice. The honest reference your internal clock cannot be.
- Keeping ensembles together. A shared pulse for a group rehearsing without a drummer.
- Building speed. Nudge the BPM up a few points at a time once a passage is clean.
- Rhythm and drum exercises. Subdivisions and accents practised against a fixed beat.
How to actually practise with it
The classic mistake is setting the metronome to performance tempo and trying to keep up. Do the opposite. Slow it until you can play the passage perfectly, then raise the BPM in small steps, only moving up once the current speed is clean. The accent on the downbeat is your friend here: lock to it, and you will hear immediately when you rush or drag, which is the whole point.
Common mistakes to avoid
- Starting too fast. If you are fighting the click, slow down. Speed is built on accuracy, not the other way around.
- Ignoring the accent. Set the time signature to match the music so the downbeat lands where it should; a 3/4 piece against a 4/4 click will fight you.
- Tapping tempo carelessly. Tap evenly and a few times for a reliable reading; one or two rushed taps gives a tempo that is off.
When practice is about endurance or timed runs rather than tempo, the online timer and the stopwatch cover those jobs.