chromium/third_party/blink/perf_tests/parser/html5-full-render.html

<!DOCTYPE html>
<body>
<script src="../resources/runner.js"></script>
<script>
// Running from the onload callback just makes the UI nicer as it shows the logs before starting the test.
window.onload = function() {
    PerfTestRunner.measurePageLoadTime({
        description: "Measures performance of a full HTML5 document load.",
        path: "resources/html5.html",
        // 6.09mb / 500k = approx 13 chunks (thus 13 forced layouts/style resolves).
        chunkSize: 500000
    });
};

</script>
</body>