What is an Impression?
An impression counts each time your content is displayed to a user, whether it’s an ad, social media post, search result, or email. It measures visibility, not engagement.
Impressions vs. Reach
- Impressions: Total number of times content was displayed (includes repeat views)
- Reach: Number of unique users who saw the content
If one person sees your ad 5 times, that’s 5 impressions but 1 reach.
Where Impressions Matter
- Display Advertising: CPM (cost per thousand impressions) pricing
- Social Media: Content visibility metrics
- SEO: Search Console impressions data
- Brand Awareness: Measuring exposure
Impression Quality
Not all impressions are equal. Consider viewability (was the ad actually seen?), ad placement, audience relevance, and whether impressions lead to downstream actions like clicks and conversions.