[Mediawiki-l] Image caching on File: pages... any workaround?
fgrose at gmail.com
Tue Sep 6 18:20:07 UTC 2011
On Tue, Sep 6, 2011 at 10:05 AM, Daniel Barrett <danb at vistaprint.com> wrote:
> The most frequent problem on our wiki (MediaWiki 1.17.0) involves
> re-uploads of images, where users are fooled by browser caching:
> 1. A user uploads a modified version of an existing image
> 2. After the upload, user views File:Foobar.jpg but the old image is
> still showing.
> 3. User tries uploading 10 more times. The old image is still showing.
> 4. User calls tech support, who says, "press ctrl-F5 to refresh your
> 5. User presses ctrl-F5 and the new image shows up.
> Obviously the problem is due to browser caching. Is there any way for the
> MediaWiki software to prevent this problem from happening and show only
> uncached images on File:Foobar.jpg? The average user doesn't know anything
> about browser caching.
> (We already added a note to the Upload page that explains the problem.
> People don't notice the note - their attention is focused on uploading their
Perhaps a more graphic advisory with a large button link with the
?action=purge modifier behind it would have more success?
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