#4u

We track 664 posts using #4u across 2 networks, carrying 482.7M engagement between them — an average of 726.9K per post.

It is used most on TikTok: 622 of the 664 posts we hold, 94% of the total.

And TikTok is not just where the volume is: it is also where the tag performs best per post, averaging 771.9K.

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 →