indeed; soundcloud in particular, and the embeds in general, greatly increase page loads. that’s even true to some extent on the desktop. but the front page list of topics is the slowest thing, by far. takes 8 seconds to finish loading, and it’s not threaded to start displaying as it trickles in–it’s everything at once, all or nothing.
the long, infinite-scrolling multi-hundred-post threads are also painful to wade through, on mobile especially but also the desktop. i wish discourse offered paginated layouts, to limit the sheer weight of the JS reply fetching. infinite scrolling is not a user-friendly feature.