#throwbackthursday
The most viral posts using #throwbackthursday across TikTok, Instagram, X, Facebook and Pinterest — ranked by real engagement tracked by ViralHunt.
We track 996 posts using #throwbackthursday across 6 networks, carrying 2.1M engagement between them — an average of 2.1K per post.
It is used most on Bluesky: 498 of the 996 posts we hold, 50% of the total.
Where it performs hardest per post, though, is Instagram, averaging 88.2K — 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 #throwbackthursday posts ALL NETWORKS
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Most viral #throwbackthursday on Bluesky
See all 498 Bluesky posts and track new ones live.
Most viral #throwbackthursday on X / Twitter
See all 456 X / Twitter posts and track new ones live.
Most viral #throwbackthursday on Mastodon
See all 22 Mastodon posts and track new ones live.
Most viral #throwbackthursday on Instagram
See all 15 Instagram posts and track new ones live.
Most viral #throwbackthursday on Pinterest
Most viral #throwbackthursday on TikTok
#throwbackthursday in five questions
What is #throwbackthursday and where is it used?
A hashtag with 996 posts tracked by ViralHunt across 6 networks, mostly on Bluesky (498 posts). Those posts add up to 2.1M engagement, about 2.1K per post.
Where does #throwbackthursday perform best?
On Instagram: 88.2K 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 #throwbackthursday?
Mostly on Thursdays, around 11:00 UTC: 34% of the 991 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 #throwbackthursday most?
AlbertEinstein (X / Twitter, 401 posts), NASAWebb (X / Twitter, 27 posts), pinafore.bsky.social (Bluesky, 13 posts), corathewhippet.bsky.social (Bluesky, 10 posts), blathin384.bsky.social (Bluesky, 10 posts), toptags.bsky.social (Bluesky, 10 posts).
Which hashtags go with #throwbackthursday?
Other tags with volume on the same networks: #nowplaying, #drawing, #pixelart, #indiegame, #fanart, #food.
When people post with #throwbackthursday
Hour of day and day of the week of the 991 dated posts carrying this tag (times in UTC). The busiest hour and day are marked.
Track #throwbackthursday across every network
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