It depends a lot on which posts are on the frontpage and what rewards they've been given. Those tiny little icons next to each post can be upwards of 1 MB each

It depends a lot on which posts are on the frontpage and what rewards they've been given. Those tiny little icons next to each post can be upwards of 1 MB each as they are rendered with ridiculous resolutions sometimes (eg https://www.redditstatic.com/gold/awards/icon/Illuminati_512.png https://www.redditstatic.com/gold/awards/icon/Illuminati_512...)