Button Rapid-Fire Test — Max Press-Per-Second Capability
Mash the button and the tool counts every press, in real time, with peak and average press-per-second readings. This rapid-fire test measures how fast your controller — and your finger — can actually register inputs.
The page bundles three connected checks. Rapid Fire counts presses over a 10-second window and reports peak per-second and total presses. Hold Timer measures how long you can hold a button down without the contact dropping out. Chatter Test watches for double-fires within 100ms of release — the classic signature of a worn microswitch or bouncing contact. Switch modes inside the tool card. Everything runs in your browser, nothing leaves your device.
Press a button to begin
Connect via USB or pair over Bluetooth, then press any button so the browser detects your pad.
Default mode is Rapid Fire — pick a button and press Start, then mash for 10 seconds.
Rapid-fire numbers are limited by the browser's polling rate (~16ms). A clean controller on a clean USB connection should sustain 12–18 presses per second peak from a trained finger. Lower than that and the bottleneck is usually the switch, not your hand.
Rapid-fire, hold and chatter tell you three different things
Most "button test" pages run a single mash count and call it a day. That misses two of the three ways a button actually fails in real play. A switch can spam cleanly at 14 per second and still drop a held input in a fight. Another can hold for ten minutes and still double-fire on every other press. Running all three checks on the same button is the only way to see the whole picture, which is why this page groups them in one card.
Switch responsiveness under spam
Peak press-per-second tells you whether the contact can keep up with fast input. A new controller will hit 12–18 in a 10-second window from a trained finger. A worn switch falls to single digits because the dome no longer fully resets between presses — the second tap arrives before the contact has lifted from the first, and the second press is lost. This is the failure mode behind "my turbo button isn't actually turbo anymore."
Contact stability under load
A hold that drops out at four seconds when you meant to hold for thirty is a different fault entirely. The switch closes fine on the press but the contact patch is dirty or the dome has compressed enough that mild finger movement breaks the connection. This is the failure behind "my charge shot keeps cancelling" and "my aim button drops mid-fight." Rapid-fire won't catch it because brief, repeated presses recover from a flaky contact; only a sustained hold reveals it.
Release cleanliness
Chatter is when a single press registers as two or more inputs because the contact bounces on release. The dome lifts, the contact opens, but the carbon pad doesn't travel cleanly away — it taps the trace again within a few milliseconds. The game sees two presses. This is the failure behind "I jumped twice" or "my select cursor keeps overshooting one slot." A clean controller will produce zero chatter events in fifty deliberate presses; a worn one produces one to several.
What your numbers actually mean
The readouts in the tool are calibrated to real player thresholds, not arbitrary benchmarks. Here is what each number is telling you and where the line sits between a healthy pad and one that needs attention.
Peak press-per-second
A casual player will land 6–10 peak press-per-second without practice. Fighting-game players and shmup specialists routinely hit 14–18 on a clean pad after deliberate training. Anything above 20 is either turbo hardware or a polling artefact. Below 8 on a button that used to feel snappy is the clearest single sign a switch is wearing out — the finger can't actually drop in speed that fast, so the difference is the pad.
Hold duration before drop-out
A healthy contact holds indefinitely. The practical test is whether a deliberate 30-second hold completes without the timer resetting. Drop-outs under five seconds point to a serious intermittent fault — usually dirt on the contact pad or a dramatically compressed dome. Drop-outs in the 5–30 second range are the borderline case: the contact is degrading but not dead, and a cleaning step usually buys back another year of life.
Chatter rate per 50 presses
Zero bounces in fifty deliberate presses is the target. One bounce can be a fluke or user error — a finger that lifted incompletely and pressed again counts the same as chatter to the API. Two or more bounces from a consistent press technique means the contact pad is mechanically chattering, and the only fix is cleaning the carbon surface or replacing it. The millisecond gap shown next to each bounce event tells you how aggressive the chatter is: under 30ms is fast bounce (worn carbon), 30–80ms is loose dome behaviour, 80–100ms is borderline and often user-induced.
Fixing a slow, dropping, or chattering button
A note before the fixes: most controller buttons are not microswitches. They use a silicone dome over a carbon-coated conductive pad that touches a circuit-board trace. That changes which fixes apply — there is no microswitch to swap, but the carbon pad and the dome are both replaceable parts that wear separately. Start with the cheapest fix and escalate only if it fails.
Clean the contact pad
Open the controller shell, lift the silicone button mat away from the board, and clean the carbon pads on the back of the silicone with isopropyl alcohol on a microfibre cloth. Wipe the corresponding circuit-board traces the same way. This single step recovers most cases of slow rapid-fire, intermittent drop-outs, and chatter — because all three are downstream of a contact that isn't making a clean electrical connection.
Replace the silicone dome
If a button still tests slow after cleaning, the dome itself has compressed past recovery. Replacement silicone mats for DualShock, DualSense, and Xbox controllers cost a few dollars on parts sites and swap in five minutes once the shell is open. This is the right fix for a controller where rapid-fire used to score 14 and now scores 7 — the contact is clean, the dome just can't snap back fast enough to keep up.
Address chatter at the carbon pad
Persistent chatter after cleaning means the carbon coating itself is degraded. Replacement silicone mats fix this in one step because the carbon comes with the mat. Conductive paint kits exist for repairing the carbon directly, but the success rate is mixed and the time investment is high. For most people a $4 mat swap is the better answer than a $20 conductive paint kit and an evening of work.
Trigger and bumper faults are different
If the failing button is a trigger or shoulder bumper, the part inside is a small mechanical assembly with springs and pivots, not a silicone dome — so the fixes are mechanical. Triggers that show heavy chatter usually have a worn potentiometer or Hall-effect sensor; bumpers with chatter usually have a tactile microswitch that has failed. Both are replaceable parts but the work is more involved than a dome swap. For a pad still in warranty, this is the point to claim rather than open.
Send it for warranty or replacement
If the controller is under 12 months old or under extended manufacturer cover, the test results from this page make a strong supporting case. Record a screenshot of the rapid-fire result with a low peak number, the hold timer log showing drop-outs, or the chatter event log with millisecond gaps — these are the kind of reproducible evidence support agents will escalate on. Keep the receipt and the serial number ready.