Think of #sod as a filter on the wider porn caption caption archive: same submission pool, but slimmed down to the exact register you searched for.
The page pulls in sod-tagged captions, plus caption GIFs where sod is a secondary tag, plus roleplay posts whose title text overlaps with the sod keyword — three sources into one feed.
Because engagement counts (likes, saves, shares) are live per post, the page keeps sorting itself even without editorial intervention — the top of the feed reflects real porn captions demand today, not last month.
As more creators publish under #sod, this page rebuilds itself daily with fresh title, alt, caption and tag combinations — meaning what you saw yesterday is not what you'll see tomorrow.
Every #sod post is a standalone URL with its own share preview, alt text and interaction counts.