Screenshots are unacceptable.
It causes problems for people who cannot see images (e.g. because they are blind or have bandwidth constraints). We could fix this by setting appropriate alt text on the images, but then we might as well just get rid of the images altogether.
It also causes problems for search.
Depending on the quality of the image, it might be ...
This question is really easily solved.
gonna, wanna, shoulda, etc. etc. are really examples of transcribing speech sounds into written form in non-phonetic or phonemic terms.
The question is this: Do all non-native writers realize they are doing this?
(I assume most native speakers do.)
There may well be "self-taught" English speakers who do not even ...