Adding Image width height data

My site is ranking in the mid-90 % region for various site checkers, but this is a perpetual problem:

I’m using @habitualshaker Srcerer heavily and it works beautifully, but how to add width / height data when 2 or 3 versions of an image are presented? Is there any way that this metadata could be added automatically via a paid upgrade or a new paid for stack?

PS Any more thoughts on Navigation bars for Source ;)

Are all the images on a page the same aspect ratio? if so a quick win would be to add something like the following to the page css: .srcerer-img{aspect-ratio: 16 / 9}

Thanks. Clever stuff!

I tried it immediately and only then I realised that I have Screrer elements all over the pages, including the nav bars.