On 14-03-27 10:46 PM, Prateek Saxena wrote:

The design team recently deployed the Popups[1] extension to English
Wikipedia as a Beta Feature. We are using the PageImages[2] extension
to get a thumbnail with a `pithumbsize` of 300. This was initially
290, but someone on IRC - I forget who - mentioned that it would be
faster if it were 300.

You and Jorm and I had discussed using 220px
(which is the MediaWiki default, per https://bugzilla.wikimedia.org/show_bug.cgi?id=21117
and per https://www.mediawiki.org/wiki/Requests_for_comment/Standardized_thumbnails_sizes )
You mentioned this patch's comment as the reason to use 300px https://gerrit.wikimedia.org/r/#/c/109878/22/js/popup.js
I mentioned a vague recollection of the Multimedia team wanting to pre-render a bunch more image sizes by default, in the future, and suggested asking them for confirmation/details on that.

Unless/until the vast majority of our images are thumbnailed at 300px, I'd recommend using 220px in Hovercards.

We are facing two problems with this approach -
  1. Some images are taking too long to load [3]
  2. Sometimes the first relevant image is not picked up [4]

Any ideas on how these bugs could be resolved would be helpful. The
code for the current implementation can be found on git [5].


--prtksxna


[1] https://www.mediawiki.org/wiki/Extension:Popups
[2] https://www.mediawiki.org/wiki/Extension:PageImages
[3] https://bugzilla.wikimedia.org/63156
[4] https://bugzilla.wikimedia.org/63177
[5] http://git.wikimedia.org/blob/mediawiki%2Fextensions%2FPopups.git/abafedb99d571cf9dec30d1695e1044a1a78ca14/resources%2Fext.popups.core.js#L46

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