Mobile diff is _different_ from the desktop diff. We don't have a side
by side view.
https://en.wikipedia.org/w/index.php?title=Main_Page&diff=598252063&oldid=593411281
I'm not sure if people will understand the meaning of yellow and blue
in the context of this diff:
https://en.m.wikipedia.org/wiki/Special:MobileDiff/593411281...598252063