What is the image quality criterion for a website?

Question

Images

There are a huge number of products and pictures for them. you need to understand what kind of pictures they are: whether they are suitable for the site. maybe some sizes are small. maybe something else is wrong somewhere. maybe you can't increase it.
here is the file 638000-DELGADL-1000.jpg 635x487 ii? can it be compressed? then increase? Well, that is, make a thumbnail and then enlarge.
What are the criteria for analyzing product images?

Answer 1

SEO + UI
at their intersection