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<!DOCTYPE HTML>
<html>
<head>
<script>
"use strict";
async function time_fetch(url) {
let start = performance.now();
let res = await fetch(url);
let elapsed = performance.now() - start;
return {
elapsed_ms : elapsed,
status : res.status,
data : await res.text()
};
}
async function time_xhr(url) {
let xhr = new XMLHttpRequest();
xhr.open("GET", url, false);
let start = performance.now();
xhr.send();
let elapsed = performance.now() - start;
return {
elapsed_ms : elapsed,
status : xhr.status,
data : xhr.responseText
}
}
</script>
</head>
<body>
</body>
</html>
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