Mobile serves the same images as desktop (from upload.wikimedia.org), and they are served without Cache-Control because we rely on ETags for expiry.
On Sun, Sep 14, 2014 at 12:59 PM, Federico Leva (Nemo) nemowiki@gmail.com wrote:
Tomasz Finc, 11/06/2014 22:51:
On a side notice I notice all images on mobile are missing a cache expiration - is that intended? Also have we considered adding a
header
Cache-Control: public to them?
This historically has been due to upstream caches not respecting purges and our ops team wanting to keep TTL's as low as possible. We can take it up to the ops list if we want to know more
Is mobile different in this? Just this week I stumbled upon https://bugzilla.wikimedia.org/show_bug.cgi?id=17577 which is quite depressing.
Nemo
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