input-lag-measuring-tool/index.html at main · Mistik/input-lag-measuring-tool · GitHub

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<!DOCTYPE html>
<html>
	<head>
		<title>Input lag measuring tool</title>
		<meta charset="UTF-8">
	</head>
	<body>
		<h3>Input lag measuring tool</h3>
		<p>You can use this tool to measure the input lag of the browser.</p>
		<p>Move your mouse around at constant speed and adjust the slider until the outer circle matches your mouse pointer.</p>
		<div><input id="input-lag-slider" type="range" min="1" max="200" step="0.1" value="48" style="width:300px"></div>
		<p>Milliseconds of input lag: <span id="input-lag-display">48</span></p>
		<p>FPS: <span id="fps">0</span></p>

		<canvas id="canvas" style="width:100%; height:800px; border: 1px solid black" ></canvas>
		<script src="script.js"></script>
	</body>
</html>