What surprised me most about the speed stats in your image is the file size of the pages. The medium.com page is half a megabyte! And yet it's a plain text page

What surprised me most about the speed stats in your image is the file size of the pages. The medium.com page is half a megabyte! And yet it's a plain text page. What's causing the bloat? Are fonts being downloading? Even if they are, it's still feels excessive.