Left Click Tester - Mouse Clicking Speed Test - CPS Counter - Per Second Button Hit Checker
The fastest way to measure your mouse left clicking speed with a dedicated left mouse button test. Hit Start, then hammer your left button as rapidly as you can. Serving as the essential primary click test for gamers, your left click CPS, total count, and tier rating appear the instant time runs out.
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Left Click Speed Tiers — Where Does Your Mouse Left Click CPS Rank?
CPS Chart
Left click speed sample curve across a test (demo data)
Average CPS Trend
Running average left click speed, second by second (demo data)
Diagnostic Level Panel & Left Click Calibration
Left Mouse Button Actuation & CPS Dynamics
Your primary left mouse button handles the vast majority of gaming and computing inputs. Left click speed testing measures raw finger actuation frequency, muscular contraction rhythm, and the mechanical responsiveness of your mouse microswitch.
Hardware Debounce & Switch Latency
Physical switches vibrate upon contact, requiring a firmware debounce delay to prevent duplicate signals. High debounce filters out rapid legit clicks, while ultra-low debounce unlocks faster rates. Test secondary switch health on our right click or audit all buttons on our mouse test.
Clicking Techniques: Normal, Jitter & Butterfly
Standard clicking relies on finger articulation for 6–9 CPS. Jitter clicking uses forearm muscle tremors for 11–15 CPS, while butterfly clicking alternates two fingers for 14–20+ CPS. Refine your techniques with our dedicated jitter click and butterfly clicker.
Stamina Training & Click Pacing
Maintaining high CPS over extended tests requires motor pacing and ergonomics. Avoid excessive grip tension to prevent tendon strain and premature fatigue. Compare your endurance curve with rhythmic challenges on our click challenge.