Non onload blocking async JS evolved

Conventional Page

This page will load script files for social buttons at the bottom of the document through DOM injection method which is very popular for loading major 3rd party script asynchronously.

Navigation Timing

Here's the timing of DOM ready (≒domContentLoadedEventEnd) and window.onload (≒loadEventEnd) mesured by Navigation Timing (see browser compatibility).

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What's inside this page ?

The main content in this page consist of almost text except one static <iframe> for jsFiddle and a commenting system below the fold.

Other parts in this page come from 3rd party's domain, some social buttons, aside widgets. Those are all side contents.

What's the problem ?

Well nothing, if we accept the blocking onload behavior of a browser as we have done up to now. But do you think it's a little happy if we get rid of such behavior, don't you?

Visit to the Revolutionary Page.

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