Downsides of embedding raster images in SVGs?


I have a technical site with tutorial content, much of it being annotated raster images (think rectangles, arrows, and text overlayed on a screenshot). Historically I would draw my annotations in a raster editor, then upload it to my WordPress site, but after needing to edit my annotations from time to time, I've beginning to think there has to be a better way.

A while back I switch to vector based equations (via LaTeX) as I was having scaling issues with raster version on mobile browser,…

Downsides of embedding raster images in SVGs?