Think of #fff as a filter on the wider porn caption caption archive: same submission pool, but slimmed down to the exact register you searched for.
Every media type lives here: still caption pics, animated caption GIFs and short caption loops — so the feed doesn't force one format on you if you prefer another.
The tag's structured data (Schema.org CollectionPage + BreadcrumbList) is emitted on every render, so Google and Bing treat this as a real porn caption sub-hub rather than a query results dump.
Bookmark this tag if you want a direct route into new #fff caption drops without scrolling through the wider porn caption firehose.
Every #fff post is a standalone URL with its own share preview, alt text and interaction counts.