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Which jQuery version to reference for CDN?

Tags:

jquery

cdn

I want to use Google's jQuery CDN so that the user has the best chance to already have a cached version of jQuery.

Now my question is, how do I determine what is the best version of jQuery to maximize the probability that the user already has a cached version?

Should I reference the latest version of jQuery? Or the most popular version?

For example, the latest version is currently jQuery 1.9.0, which was just released yesterday. But most sites probably are not referencing it yet, so I would be better off using 1.8.3?

I'm thinking that I could just look at the source code for Google or other popular websites and see which jQuery they're referencing, but I can't seem to find any reference to jQuery when I view the source.

like image 342
wisbucky Avatar asked Jan 16 '13 10:01

wisbucky

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1 Answers

I would use the most recent release after giving it a thorough test on your site.

Any performance gain you would get today by using an older release will be lost in a short time as other sites move up to the new release.

Looking at other sites isn't very helpful, I just tried a few. The releases are all over the place, Google, Twitter and Facebook don't appear to use jQuery (at least not by name) and stackoverflow is using 1.7.1

like image 150
Peter Wooster Avatar answered Sep 19 '22 13:09

Peter Wooster
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