I'm developing a PWA in which part of the app displays the content of emails to the user. However, many of the image URL's that are in the emails come from
http domains, and therefore do not load in a PWA (because PWAs only load images that come from
A Google search revealed that to solve this, I would have to proxy all the images through my domain, so that they would be served over
But does that really make my connection any more secure? The image is the only thing loaded over HTTP at the moment, and if I proxyed it through my server, at some point it still has to come from the source server unencrypted (since the image isn't available in
I noticed that Gmail does proxy all images. So it seems like there must be some security benefit. I just can't think of what it would be.