#ku
The most viral posts using #ku across TikTok, Instagram, X, Facebook and Pinterest — ranked by real engagement tracked by ViralHunt.
We track 193 posts using #ku across 3 networks, carrying 932.3K engagement between them — an average of 4.8K per post.
It is used most on Bluesky: 191 of the 193 posts we hold, 99% of the total.
And Bluesky is not just where the volume is: it is also where the tag performs best per post, averaging 8.
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 #ku posts ALL NETWORKS
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Most viral #ku on Bluesky
See all 191 Bluesky posts and track new ones live.
Most viral #ku on Instagram
Most viral #ku on Pinterest
#ku in five questions
What is #ku and where is it used?
A hashtag with 193 posts tracked by ViralHunt across 3 networks, mostly on Bluesky (191 posts). Those posts add up to 932.3K engagement, about 4.8K per post.
Where does #ku perform best?
On Bluesky: 8 engagement per post on average, which is also where it is posted most.
When do people post with #ku?
Mostly on Sundays, around 20:00 UTC: 25% of the 194 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 #ku most?
gideon9th.bsky.social (Bluesky, 48 posts), karsocalwriter.bsky.social (Bluesky, 32 posts), stefanangelinam.bsky.social (Bluesky, 18 posts), mundoprodutos.bsky.social (Bluesky, 15 posts), cznburak (Instagram, 1 posts), 74yos_ (Pinterest, 1 posts).
Which hashtags go with #ku?
Other tags with volume on the same networks: #kindleunlimited, #booksky, #scifi, #books, #writers, #darkfantasy.
When people post with #ku
Hour of day and day of the week of the 194 dated posts carrying this tag (times in UTC). The busiest hour and day are marked.
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