I've submitted patches on 2 of the 3 issues. Review welcomed.
On Thu, Feb 25, 2016 at 10:09 PM, Ori Livneh <ori(a)wikimedia.org> wrote:
So, with mobile usage creeping up to and even
exceeding desktop, I figured I
was overdue for switching over to the mobile skin, so I get to know it a bit
better.
I think it looks very attractive and modern. But it is marred by a usability
issue so severe that it is borderline unusable to me, and that is the manner
in which the content jumps around as the page is loading.
The problem is that sections are initially loaded in an expanded state, and
then collapsed by JavaScript code which is only executed on document ready.
This code also pulls in interface elements that are drawn quite late. Even
on a fast connection, a quick reader can be halfway through reading a
paragraph when all of a sudden the content suddenly and rudely shifts to
side or is revoked entirely.
The result is very dizzying and unpleasant. As a result, I find that I have
to train myself *not* to start reading the text in front of me until the
page has settled down.
I don't think that this is good performance. It may get something to render
sooner than it otherwise would have, but it ends up delaying the time it
takes for the page to settle into its fully-loaded layout, which forces the
user to wait longer (or tolerate the electric jolt of having the content
skip around mid-sentence).
Roan filed this as
https://phabricator.wikimedia.org/T126825 . I set its
priority to "high", and I hope this e-mail gives some context as to why.
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