> JS running on the main thread absolutely is a problem, and Web Workers are a clunky solution. Chrome is moving towards out-of-process iframes, which should h

> JS running on the main thread absolutely is a problem, and Web Workers are a clunky solution. Chrome is moving towards out-of-process iframes, which should help alleviate many performance issues (ads janking your page) and give you new capability (basically web workers with a full DOM). http://www.chromium.org/developers/design-documents/oop-iframes http://www.chromium.org/developers/design-documents/oop-ifra...