In more detail
Impressions count every time your content appears, even if the same person sees it three times. That is the key difference from reach, which counts unique people only. Because of repeats, impressions are almost always higher than reach. The number tells you how often your content surfaced in feeds, stories, and search, which is a useful signal for how hard the algorithm is pushing a post and how often people scroll past it.
Example
If your post reaches 1,000 people and 300 of them see it twice, you have 1,000 reach but 1,300 impressions. Divide impressions by reach (1.3 here) to get your average frequency, or how many times each person saw the post.
RedaQuest analytics pulls impressions next to reach and engagement for every post, so you can see how often your content showed up and whether people actually acted on it.
FAQ