#reaction
The most viral posts using #reaction across TikTok, Instagram, X, Facebook and Pinterest — ranked by real engagement tracked by ViralHunt.
We track 747 posts using #reaction across 6 networks, carrying 119.7M engagement between them — an average of 160.3K per post.
It is used most on Douyin: 388 of the 747 posts we hold, 52% of the total.
Where it performs hardest per post, though, is TikTok, averaging 553.3K — 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 #reaction posts ALL NETWORKS
Filter by network, track every new post, and get alerts when #reaction starts trending.
Most viral #reaction on Douyin
See all 388 Douyin posts and track new ones live.
Most viral #reaction on TikTok
See all 160 TikTok posts and track new ones live.
Most viral #reaction on Bluesky
See all 152 Bluesky posts and track new ones live.
Most viral #reaction on Instagram
See all 44 Instagram posts and track new ones live.
Most viral #reaction on Pinterest
Most viral #reaction on Tumblr
#reaction in five questions
What is #reaction and where is it used?
A hashtag with 747 posts tracked by ViralHunt across 6 networks, mostly on Douyin (388 posts). Those posts add up to 119.7M engagement, about 160.3K per post.
Where does #reaction perform best?
On TikTok: 553.3K engagement per post on average, even though it is posted more on Douyin. It is used in one place and works better in another.
When do people post with #reaction?
Mostly on Sundays, around 12:00 UTC: 18% of the 744 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 #reaction most?
keemokazi (TikTok, 53 posts), juventus (TikTok, 47 posts), renfail.bsky.social (Bluesky, 25 posts), Kado (Music Reaction) (Douyin, 22 posts), Old Wei (Douyin, 22 posts), kimberlyandrade08 (Instagram, 18 posts).
When people post with #reaction
Hour of day and day of the week of the 744 dated posts carrying this tag (times in UTC). The busiest hour and day are marked.
Track #reaction across every network
ViralHunt watches 13 networks live and shows you what's trending in your niche — before everyone reacts.
Try for free