Unobtrusive JavaScript - Thomas Ardal

YSlow rule #9 - Make JavaScript and CSS External

Thomas Ardal on Caching, CSS, Firebug, Minimize HTTP requests, Performance optimization, Unobtrusive JavaScript, YSlow | 17 May 2011

We’ve briefly touched this subject a number of times already. Making your JavaScript and CSS external simply means moving it from your HTML header to their own files, referenced as an external file in the header. So why does Yahoo think that this is a good idea? We’ve…

YSlow rule #6 and #7 – Put style sheets at the top and scripts at the bottom

Thomas Ardal on ASP.NET, ASP.NET MVC, jQuery, Unobtrusive JavaScript | 06 Apr 2011

This week I have chosen to combine rule numbers 6 and 7. Why? Because they focus on pretty much the same thing: where to put style sheet and script references. According to rule number 6, you should put all your styling in the head section of your HTML document. The…