X/Twitter Glossary
Impressions are the total number of times your post was displayed on someone's screen, including multiple views by the same person.
Impressions count every time your content appears on someone's screen—in their feed, search results, or when viewing your profile. If one person sees your post three times (scrolling past it, seeing it retweeted, then visiting your profile), that counts as three impressions. This is different from reach, which counts unique viewers. Impressions are a measure of total exposure, while reach measures unique audience size.
Impressions indicate how much visibility your content is getting. High impressions mean the algorithm is distributing your content widely. However, impressions alone don't tell the full story—a post with 100,000 impressions but 0.1% engagement rate performed worse than a post with 10,000 impressions and 5% engagement rate. Use impressions as one data point, not the only metric.
Poast Metrics shows impressions alongside engagement rate so you can understand both reach and resonance.
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