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Does Jquery Mobile Load Entire Files to Each Client?

in jQuery Mobile • 10 years ago

I am just looking at the file sizes of Jquery and Jquery Mobile

both of them total around 450kb - so does each client load this "half Meg" on load of your webpage? or is the remote file called on functions incrementally?

I am just wondering because of the speed and lag of mobile phones it might not even be all that practical to use..?

Replies(3)

watusiware

Re: Does Jquery Mobile Load Entire Files to Each Client?

10 years ago

The JS and CSS files are loaded in their entirety. There is no "magic".

Normally, though, they are loaded only once, when the user first enters your site. Subsequent page loads are done using AJAX, and the <head> content ignored, so no re-loading of the files for each page. (If you use data-rel="external" or data-ajax="false" on links, though, it is all re-loaded, which is why I don't recommend this "universal fix" which is no fix.)

If you use minified files and have your server gzip them, they are much smaller.

There is an experimental "builder" for jQuery Mobile that will build a version of JQM with only selected features.

bagman

Re: Does Jquery Mobile Load Entire Files to Each Client?

10 years ago

It doesn't load portions of the file incrementally. It loads them on the initial page load (unless they're already cached in the browser).

However, if you're using AJAX navigation it only loads the resources on the initial page load. All other pages are loaded into the current page dynamically by requesting the page from your server, so the framework should not attempt to download those resources again once your application has loaded the first page.

If you're still worried about the total size you should use the minified versions of CSS and JS (you should be using these anyway in your production environment) which yields significant reductions and you can get even more reduction by compressing those resources on the server for those clients that support compression (most do these days).

xso.online

Re: Does Jquery Mobile Load Entire Files to Each Client?

10 years ago

Thanks a bunch guys... I appreciate your informed answers. I'll try and see what I can reduce - if its common though I dont have a problem posting it even as is. I just feel bad for those mobile users that are paying 5 cents per meg here in Canada.

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