What's a good Impression Share?
Karbon Agency's target for Impression Share is 50.0% or higher. That is Karbon's own grading target, not a published industry average. Percentage of available impressions your ads captured. Excellent is 70.0% or higher (Karbon target), and the minimum acceptable tier is 30.0% or higher (Karbon target).
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The three tiers Karbon grades against — and where each comes from
| Tier | Value | What it means | Basis |
|---|---|---|---|
| Minimum | 30.0% | The floor. Below this, something is broken. | Karbon target |
| Recommended | 50.0% | The tier a healthy campaign should hit. | Karbon target |
| Excellent | 70.0% | Top-tier performance worth defending. | Karbon target |
Higher is better for this metric.
How it's calculated
(Your Impressions / Total Available Impressions) * 100Why Impression Share matters
Directly measures competitive visibility. Low impression share means competitors are winning auctions you could be in.
Karbon target
No independent public benchmark exists for Impression Share as Karbon measures it. The tiers above are Karbon Agency's own grading targets for local-business campaigns, not an industry average, and we don't cite one we haven't found.
How the platforms define it
- Google Ads Help — Get impression share data (undated page; read September 26, 2026)Impression share is the impressions your ad received divided by the total impressions it was eligible to receive.
Where does your Impression Share land?
Karbon Agency grades every client campaign against these exact tiers, live on a dashboard — no guessing, no quarterly PDFs.