Why not integrate Google Chrome's API with boomerang? The following functions are available to web content:<p><pre><code> chrome.loadTimes().{requestTime, startLoadTime, commitLoadTime, finishDocumentLoadTime, finishLoadTime, firstPaintTime, firstPaintAfterLoadTime, navigationType, wasFetchedViaSpdy}
chrome.csi().{startE, onloadT, pageT, tran}</code></pre>