Comment by thinkling
Instagram tip: if you click the wordlogo “Instagram” at the top (in the mobile app), you can select “Following” and get a feed of only posts from accounts you follow, with no suggested posts and no reels.
I end up going through that feed in a few minutes and it insulates me from the endless scrolling.
Also works on the mobile page.
The other thing possible is to block certain post types with uBlock origin, on desktop or mobile: