Metrics

Engagement rate

Engagements divided by an audience figure, as a percentage. The denominator is not standardised, so the same post can show wildly different rates. Always state which one you used: followers, reach or impressions. Comparing rates from different denominators is meaningless.


Where this is taught

11Analytics I: Reading the Numbers
Native insights, reach vs impressions, engagement rates and benchmarks — know what's working and why.

Guides that cover it

Related terms

Attribution

Deciding which touchpoints get credit for a conversion. Every model is a simplification: last-click undervalues awaren…

Average view duration

Mean seconds watched per view. Read it alongside video length as a percentage: sixty seconds of a ninety-second video …

Bounce rate

The share of visitors who land on a page and leave without a further interaction. High bounce from social is normal an…

CPA (cost per acquisition)

Spend divided by the number of completed actions such as purchases or leads. The main efficiency number for performanc…

CPC (cost per click)

Spend divided by clicks. Useful for comparing creatives, but a cheap click that never converts is worse than an expens…

CPM (cost per mille)

The cost of a thousand impressions. A market price, not a performance measure: it rises with competition, audience nar…

Beyond the definition

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