#flex
The most viral posts using #flex across TikTok, Instagram, X, Facebook and Pinterest — ranked by real engagement tracked by ViralHunt.
We track 133 posts using #flex across 4 networks, carrying 388.4K engagement between them — an average of 2.9K per post.
It is used most on Bluesky: 126 of the 133 posts we hold, 95% of the total.
Where it performs hardest per post, though, is TikTok, averaging 85.7K — 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 #flex posts ALL NETWORKS
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Most viral #flex on Bluesky
See all 126 Bluesky posts and track new ones live.
Most viral #flex on TikTok
Most viral #flex on Pinterest
Most viral #flex on Instagram
#flex in five questions
What is #flex and where is it used?
A hashtag with 133 posts tracked by ViralHunt across 4 networks, mostly on Bluesky (126 posts). Those posts add up to 388.4K engagement, about 2.9K per post.
Where does #flex perform best?
On TikTok: 85.7K 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 #flex?
Mostly on Sundays, around 21:00 UTC: 13% of the 133 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 #flex most?
konnort.bsky.social (Bluesky, 20 posts), musclesai.bsky.social (Bluesky, 11 posts), kingsofhartansol.bsky.social (Bluesky, 6 posts), operations.esa.int (Bluesky, 6 posts), espn (TikTok, 2 posts), domelipa (TikTok, 1 posts).
When people post with #flex
Hour of day and day of the week of the 133 dated posts carrying this tag (times in UTC). The busiest hour and day are marked.
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