Engagement Rate
Engagement rate is the percentage of an audience that actively interacts with content — through likes, comments, shares, saves, or clicks — relative to reach or followers.
Engagement rate is the quality metric of social media. A large follower count means little if no one reacts; a smaller, highly-engaged audience is far more valuable for reach, trust, and conversions.
It's calculated in several ways — against followers, against reach, or against impressions — so always check which denominator a number uses before comparing. Engagement-by-reach is often the fairest measure of content quality.
Platform algorithms use engagement as a ranking signal: posts that earn early interaction get shown to more people, creating a compounding effect. That makes genuinely engaging creative the lever that drives organic social growth.
Formula
Engagement Rate = (Total engagements ÷ Reach or Followers) × 100
Example
A post reaching 8,000 accounts with 640 total interactions has an engagement rate of (640 ÷ 8,000) × 100 = 8%.
Related terms
Impressions
An impression is counted each time your content or ad is displayed, regardless of whether it's clicked. It measures how often you were seen, not how many people saw you.
Conversion Rate
Conversion rate is the percentage of visitors who complete a desired action — a purchase, sign-up, or enquiry — out of everyone who had the chance to.
Click-Through Rate (CTR)
CTR (Click-Through Rate) is the percentage of people who click a link, ad, or search result after seeing it — clicks divided by impressions.
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