#m4
The most viral posts using #m4 across TikTok, Instagram, X, Facebook and Pinterest — ranked by real engagement tracked by ViralHunt.
We track 225 posts using #m4 across 3 networks, carrying 8.4M engagement between them — an average of 37.4K per post.
It is used most on Bluesky: 152 of the 225 posts we hold, 68% of the total.
Where it performs hardest per post, though, is Instagram, averaging 119.6K — 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 #m4 posts ALL NETWORKS
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Most viral #m4 on Bluesky
See all 152 Bluesky posts and track new ones live.
Most viral #m4 on Instagram
See all 67 Instagram posts and track new ones live.
Most viral #m4 on Douyin
See all 6 Douyin posts and track new ones live.
#m4 in five questions
What is #m4 and where is it used?
A hashtag with 225 posts tracked by ViralHunt across 3 networks, mostly on Bluesky (152 posts). Those posts add up to 8.4M engagement, about 37.4K per post.
Where does #m4 perform best?
On Instagram: 119.6K 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 #m4?
Mostly on Sundays, around 04:00 UTC: 12% of the 225 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 #m4 most?
earthquakes.live (Bluesky, 101 posts), erdbeben.online (Bluesky, 38 posts), dracosg82 (Instagram, 33 posts), g20ghxst (Instagram, 7 posts), nz-quakes.bsky.social (Bluesky, 6 posts), f82m4niac (Instagram, 6 posts).
When people post with #m4
Hour of day and day of the week of the 225 dated posts carrying this tag (times in UTC). The busiest hour and day are marked.
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