DNS lookup when using a CDN

Posted by Steven Wu on Pro Webmasters See other posts from Pro Webmasters or by Steven Wu
Published on 2012-04-03T15:37:25Z Indexed on 2012/04/03 17:43 UTC
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Using a CDN can vastly improve the load time of a website. I been thinking of using it to host all my external files like CSS, JS, Images, Videos etc. However I was thinking when linking to a CDN, wouldn't the browser have to use additional DNS lookup? So wouldn't this be counter productive? Or is the benefit to host every external files on a CDN out weighs the additional cost of a DNS lookup?

What are your thoughts?

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