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Posts tagged ‘prefetching’

3
Feb

Prefetching Javascript and CSS

Prefetching javascript and CSS files can improve the page load times as users navigate your site.  This creates a better user experience and may even improve your search engine rankings.

I’ll describe an easy prefetch technique useful in situations in which you are reasonably sure the user will navigate from Page A to Page B.  This situation typically involves the user filling out a form.  Chances are high that if a user begins to fill out a form, she will eventually submit it, arriving at Page B.  If you prefetch resources that will be needed by Page B, it’ll load faster when the user navigates to it.  This is a technique I’m using on our lifespan test.

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