A simple change which would be easy and interesting to A/B test might be to just display more posts on the first page. 30 vs. 45 vs. 60? I suspect that the bene

A simple change which would be easy and interesting to A/B test might be to just display more posts on the first page. 30 vs. 45 vs. 60? I suspect that the benefit to effort ratio of making that change would be high.