<!DOCTYPE html>
<script>
if (window.testRunner) {
testRunner.dumpAsText();
testRunner.dumpChildFrames();
}
if (window.internals)
internals.settings.setLogDnsPrefetchAndPreconnect(true);
</script>
<link rel="dns-prefetch" href="http://prefetch.wut.com.test">
This test verifies that a DNS prefetch request is sent and logged.