How much signal is there in that 1.3MB though? We don't think about the weight of websites much nowadays because we have insane bandwidth, but how much of that

How much signal is there in that 1.3MB though? We don't think about the weight of websites much nowadays because we have insane bandwidth, but how much of that is actual content? The text on one page can't be more than a few kilobytes, and images don't have to be much more data either if they're just thumbnails.