Getting to the Bottom of JavaScript Includes
Posted by: AspNetResources.com articles, news and updates,
on 17 Jun 2009 |
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I get frustrated when an outside vendor insists that I include their JavaScript file all the way up in my pages. Usually they want it right in the <head>. I have a couple of issues with that.
I have no control over the responsiveness of your environment
Historically, when your browser encountered a JavaScript include, it would suspend rendering, parse and execute it. Thus every single include slows down rendering and affects the overall perception of responsiveness.
Yahoo’s Best Practices...