I'm looking at this page:
https://www.testufo.com/inversion#pattern=distortion&ppf=5
The instructions there are very brief:
This is a test for LCD monitors for inversion artifacts. (e.g. fine checkerboard pixel patterns, color distortions)
Can anyone elaborate on that? I see a "fine checkerboard pixel pattern" both in the "Moving" area and the "Stationary" area, but I think that's normal. Also what kind of color distortions should I look for? (and in which of the 2 areas?)
… and that's just on the first test on that page. So the same questions apply to the other 4 inversion tests.