#blackhole
The most viral posts using #blackhole across TikTok, Instagram, X, Facebook and Pinterest — ranked by real engagement tracked by ViralHunt.
We track 562 posts using #blackhole across 6 networks, carrying 46.5M engagement between them — an average of 82.7K per post.
It is used most on Instagram: 392 of the 562 posts we hold, 70% of the total.
Where it performs hardest per post, though, is TikTok, averaging 176.6K — 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 #blackhole posts ALL NETWORKS
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Most viral #blackhole on Instagram
See all 392 Instagram posts and track new ones live.
Most viral #blackhole on TikTok
See all 136 TikTok posts and track new ones live.
Most viral #blackhole on Bluesky
See all 28 Bluesky posts and track new ones live.
Most viral #blackhole on X / Twitter
Most viral #blackhole on Pinterest
Most viral #blackhole on Mastodon
#blackhole in five questions
What is #blackhole and where is it used?
A hashtag with 562 posts tracked by ViralHunt across 6 networks, mostly on Instagram (392 posts). Those posts add up to 46.5M engagement, about 82.7K per post.
Where does #blackhole perform best?
On TikTok: 176.6K engagement per post on average, even though it is posted more on Instagram. It is used in one place and works better in another.
When do people post with #blackhole?
Mostly on Thursdays, around 15:00 UTC: 34% of the 559 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 #blackhole most?
itscosmoknowledge (Instagram, 313 posts), cosmoknowledge (TikTok, 53 posts), science (Instagram, 6 posts), nebula.galaxies (Instagram, 6 posts), uncover.quantum (Instagram, 6 posts), sciencechannel (TikTok, 5 posts).
Which hashtags go with #blackhole?
Other tags with volume on the same networks: #food, #digitalart, #photography, #art, #filmsky, #booksky.
When people post with #blackhole
Hour of day and day of the week of the 559 dated posts carrying this tag (times in UTC). The busiest hour and day are marked.
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