The sidebar image on the homepage, https://lemmy.world/pictrs/image/913f672f-5d9a-48b5-af28-1a8fbb4f7bc7.jpeg?format=webp, is a 1MB 1080p jpeg that gets loaded every time I open the homepage (at least without caching).
Wouldn’t it improve both bandwidth use and page load speeds to rescale that image to the smaller size it is actually rendered at?
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Good point. Lemmy should compress uploaded media.
I’m pretty sure it already generates thumbnails for the posts, so they may be able to reuse that code for the sidebar. Or @Ruud could just point it at a smaller image. One of these choices is much easier than the other :)