[Product-Developers] Re: Where does it hurt?

Martin Aspeli optilude at gmx.net
Fri May 23 07:36:56 UTC 2008

Wichert Akkerman wrote:
> Previously Malthe Borch wrote:
>> Reinout van Rees wrote:
>>> From a caching viewpoint, I normally end up putting &dtml-portal_url; 
>>> everywhere into the css files to make sure all the images and so are 
>>> loaded from one place and not 20 times from /img.jpg, 
>>> /subfolder/img.jpg, /sub/sub/img.jpg and so on.
>> This really isn't necessary; images referenced from a stylesheet are 
>> local to the url that contains the stylesheet.
> The URLs for our stylesheets are dynamic.

Are you sure? They're dynamic, but they only change if you re-save the 
portal_css configuration. If the caching proxy or the browser has cached 
an image at /portal_css/<random>/img.jpg then that's going to be stable, 
I think, until you re-save portal_css.


Author of `Professional Plone Development`, a book for developers who
want to work with Plone. See http://martinaspeli.net/plone-book

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