#fun
The most viral posts using #fun across TikTok, Instagram, X, Facebook and Pinterest — ranked by real engagement tracked by ViralHunt.
We track 1432 posts using #fun across 8 networks, carrying 107.9M engagement between them — an average of 75.4K per post.
It is used most on Bluesky: 1001 of the 1432 posts we hold, 70% of the total.
Where it performs hardest per post, though, is TikTok, averaging 352.1K — so the tag is posted most in one place and lands best in another, which is exactly the difference worth knowing before choosing where to use it.
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 →
Top #fun posts ALL NETWORKS
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Most viral #fun on Bluesky
See all 1K Bluesky posts and track new ones live.
Most viral #fun on Instagram
See all 206 Instagram posts and track new ones live.
Most viral #fun on TikTok
See all 116 TikTok posts and track new ones live.
Most viral #fun on Pinterest
See all 79 Pinterest posts and track new ones live.
Most viral #fun on Douyin
See all 17 Douyin posts and track new ones live.
Most viral #fun on Mastodon
Most viral #fun on X / Twitter
Most viral #fun on Tumblr
#fun in five questions
What is #fun and where is it used?
A hashtag with 1.4K posts tracked by ViralHunt across 8 networks, mostly on Bluesky (1K posts). Those posts add up to 107.9M engagement, about 75.4K per post.
Where does #fun perform best?
On TikTok: 352.1K engagement per post on average, even though it is posted more on Bluesky. It is used in one place and works better in another.
When do people post with #fun?
Mostly on Tuesdays, around 15:00 UTC: 24% of the 1.4K dated posts fall in the three hours around that time. Posting when the tag is active is posting when someone is reading it.
Who uses #fun most?
neuropsychiatry_ (Instagram, 106 posts), ffgrocks.bsky.social (Bluesky, 79 posts), ninamarinn.bsky.social (Bluesky, 60 posts), gaminghearts1.bsky.social (Bluesky, 43 posts), phsinternational.bsky.social (Bluesky, 41 posts), erykatravel (Instagram, 22 posts).
When people post with #fun
Hour of day and day of the week of the 1.4K dated posts carrying this tag (times in UTC). The busiest hour and day are marked.
Track #fun across every network
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