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http://jira.xwiki.org/jira/browse/XWIKI-2022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vincent Massol updated XWIKI-2022:
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Description:
Over time the xwiki skins in general have added JS, CSS, images. This is making
xwiki pages slow to load as shown by YSlow (see attached image).
What we should do:
* Reduce the number of JS to load by moving out JS that are not needed for all
pages so that they are loaded on demand
* GZip all HTTP response contents
* Modify the build to automatically merge all CSS and JS files together in a
single file (see
http://aciddrop.com/2008/01/03/automatically-join-your-javascript-and-css-into-a-single-file/)
* Add expire headers. We need to be careful with this and probably do what
yahoo recommends: modify the file names when they change so that clients get
the newer versions. Otherwise they'll need to remember to refresh their caches.
This can be automated in the build and should be pretty easy especially if we
merge all files into a single one.
* Minify CSS files
was:
Over time the xwiki skins in general have added JS, CSS, images. This is making
xwiki pages slow to load as shown by YSlow (see attached image).
What we should do:
* Reduce the number of JS to load by moving out JS that are not needed for all
pages so that they are loaded on demand
* GZip all HTTP response contents
* Modify the build to automatically merge all CSS and JS files together in a
single file (see
http://aciddrop.com/2008/01/03/automatically-join-your-javascript-and-css-into-a-single-file/)
* Add expire headers. We need to be careful with this and probably do what
yahoo recommends: modify the file names when they change so that clients get
the newer versions. Otherwise they'll need to remember to refresh their caches.
This can be automated in the build and should be pretty easy especially if we
merge all files into a single one.
> Improve page loading times
> --------------------------
>
> Key: XWIKI-2022
> URL: http://jira.xwiki.org/jira/browse/XWIKI-2022
> Project: XWiki Platform
> Issue Type: Improvement
> Components: Templates, Skins & User Interface
> Affects Versions: 1.2
> Reporter: Vincent Massol
> Fix For: 1.3 M1
>
> Attachments: yslow.png
>
>
> Over time the xwiki skins in general have added JS, CSS, images. This is
> making xwiki pages slow to load as shown by YSlow (see attached image).
> What we should do:
> * Reduce the number of JS to load by moving out JS that are not needed for
> all pages so that they are loaded on demand
> * GZip all HTTP response contents
> * Modify the build to automatically merge all CSS and JS files together in a
> single file (see
> http://aciddrop.com/2008/01/03/automatically-join-your-javascript-and-css-into-a-single-file/)
> * Add expire headers. We need to be careful with this and probably do what
> yahoo recommends: modify the file names when they change so that clients get
> the newer versions. Otherwise they'll need to remember to refresh their
> caches. This can be automated in the build and should be pretty easy
> especially if we merge all files into a single one.
> * Minify CSS files
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