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Put definitions side by side — internal vs external, or across platforms — to see exactly where they agree and where they don’t.

Presets:

Engagement RateGA4 · Engaged SessionMeta · Post EngagementGoogle Ads · EngagementLinkedIn · Engagement Rate

Attribute	Engagement Rate Internal	GA4 · Engaged Session External	Meta · Post Engagement External	Google Ads · Engagement External	LinkedIn · Engagement Rate External
Origin	Internal	External · GA4	External · Meta Ads	External · Google Ads	External · LinkedIn Ads
Definition	Engagement Rate measures the share of an audience that meaningfully interacts. Northwind's internal definition counts qualifying in-product interactions per active session — which differs materially from platform definitions like GA4 or Meta.	A session lasting 10s+, with a conversion, or 2+ pageviews (Google's definition).	Total actions (reactions, comments, shares, clicks) on a post or ad.	A campaign-type-dependent interaction (e.g. expand on Lightbox ads).	Engagements divided by impressions on sponsored content.
Unit	%	—	—	—	—
Formula	qualifying_interactions / active_sessions	Sessions that last ≥ 10 seconds OR have ≥ 1 conversion event OR ≥ 2 pageviews	SUM(reactions + comments + shares + clicks + saves + other post interactions)	Depends on ad format — e.g. a 10s hover/expand on Lightbox, or a swipe on app ads	(clicks + likes + comments + shares + follows) / impressions
Includes	Qualifying in-product interactions	Sessions ≥ 10s Sessions with a conversion Sessions with 2+ pageviews	Reactions Comments Shares Link & non-link clicks Saves	Format-specific engagements	Clicks Reactions Comments Shares Follows
Excludes	Passive impressions Ad interactions	Bounces (single short pageview, no engagement)	Passive impressions without interaction Video 3s views (separate metric)	Standard clicks (counted separately)	Impressions without interaction
Applicable dimensions / channels	—	Date Channel Device Country	Date Campaign Age Country Placement	Date Campaign Device Country	Date Campaign Country Job Function
Known limitations	—	Measures session quality, not content interaction Modeled/sampled for large properties	Counts interactions with platform content, not product usage A single user can generate many engagements	Definition varies by campaign type — not a single consistent metric	Ratio to impressions, not sessions
Comparability to internal	Internal source of truth	Partially comparable	Not comparable	Not comparable	Partially comparable

AI interpretation

AI-generated · review before relying on it

These definitions should not be directly combined because they describe different types of behavior. GA4 measures session quality (time, pageviews, conversions), while Meta primarily measures interactions with platform content and ads. Google Ads engagement is format-dependent, and LinkedIn divides interactions by impressions rather than sessions. Your internal Engagement Rate measures in-product actions per active session. Use each metric within its own platform and compare trends, not absolute values.