css query string

Question

Is it possible to pass a query string into a style sheet and if so, can the css process it?

i.e. http://www.domain.com/css/somestyle.css?id=102992992

I noticed when viewing basecamps source that the style sheet has a query string, but I don't see how it can be used.

Thanks

Greg · Accepted Answer · 2009-06-04 19:43:52Z

10

Yes you can pass a querystring - no a plain CSS file can't use it.

There are two reasons to do it:

The css file is being dynamically generated
For versioning, to make sure the browser always gets the latest version (the id could be the last-modified timestamp, for example)

answered Jun 4, 2009 at 19:43

Greg

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1 Comment

ajm Over a year ago

Yep, #2 is a fairly common way of doing cache-busting.

derek lawless · Accepted Answer · 2009-06-04 19:46:29Z

2

A query string can be used to ensure that clients don't use old, cached versions of the referenced CSS file rather than retrieving the latest version from the server.

answered Jun 4, 2009 at 19:46

derek lawless

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