Display Performance Tools
Measure how smoothly your browser and display render motion. Each test focuses on a different signal, so you can separate FPS, refresh rate and frame pacing problems.
Online FPS Test
Measure browser FPS, minimum, maximum, average FPS and live frame timing.
Open toolRefresh Rate Test
Check whether your monitor is actively running at 60Hz, 144Hz, 165Hz or 240Hz.
Open toolFrame Time Test
Visualize frame pacing and detect delayed frames or micro-stutter patterns.
Open toolFPS Comparison
Compare 30, 60, 120, 144 and 240 FPS motion side by side.
Open tool