Why is Firefox so bad at resizing images?

Question

On the left is the original PNG and on the right are versions reduced to roughly half the orignal size using and height. See [Link re

Answer 1

There is a longstanding bug ticket filed in Bugzilla related to Firefox image downscaling. You might like to keep an eye on the ticket to track its eventual resolution or contribute a patch yourself if you feel able to.

The best workaround is to use the transform CSS property to apply a tiny rotation to the problem image and force sub-pixel rendering, as detailed in Ryan Wheale's answer.