Performance Analysis of dynamic JavaScript Menus

In my previous post I talked about the impact of jQuery Selectors on a page that I analyzed. The page took 4.8 seconds in the onLoad event handler. 2 seconds were mainly caused by the selectors as described in the blog. The other 2.8 seconds were caused by a dynamic JavaScript menu – in that particular case it was the superfish jQuery plugin. A closer analysis showed why it takes so long and this also got me to do some research on these menus. Kudos to Joel Birch for his excellent plugin – easy to integrate – and – if properly used – its fast enough

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