#fo4

We track 5 posts using #fo4 across 1 network, carrying 452 engagement between them — an average of 90 per post.

It is used most on Bluesky: 5 of the 5 posts we hold, 100% of the total.

And Bluesky is not just where the volume is: it is also where the tag performs best per post, averaging 90.

Ranking comes from the posts themselves rather than from how often the tag appears, and it is recalculated as new posts are collected. How we measure this →