My Octopress Blog

A blogging framework for hackers.

Javascript Tip of the Month

I was reading an article I saw linked to from a blog I follow:

Ironically, it’s a response to an open letter to RIM about how difficult it is to use their PlayBook developer tools. I was doing other things when I noticed that page will still loading, so I took a quick peak into the html, and saw this:

<script src=""></script>
<script src="" type="text/javascript"></script>

This should go without saying, but don’t do that! That’s not the only offense, but certainly the most costly in terms of loading a page. There is actually another section that reference jquery locally, so I’m not sure how that got in there, but it has a pretty huge negative impact to have to download the unminified version of jquery from