#cop21

We track 18 posts using #cop21 across 1 network, carrying 10.6K engagement between them — an average of 589 per post.

It is used most on X / Twitter: 18 of the 18 posts we hold, 100% of the total.

And X / Twitter is not just where the volume is: it is also where the tag performs best per post, averaging 589.

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 →