#ff

We track 169 posts using #ff across 4 networks, carrying 1.8M engagement between them — an average of 10.8K per post.

It is used most on X / Twitter: 106 of the 169 posts we hold, 63% of the total.

And X / Twitter is not just where the volume is: it is also where the tag performs best per post, averaging 319.

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 →