Work out impression share instantly with clear inputs, formula shown and shareable results.
Impression share splits into losses from budget and losses from ad rank, and the two have completely different remedies. Budget losses are solved with money; rank losses need better bids, relevance or landing pages.
Impression share
Share = impressions won / eligible; lost to rank = 1 - share - lost to budget
Figures are estimates based on the inputs given. Marketing performance, platform fees and conversion behaviour vary by audience, channel and season. Use this as a planning guide, not a forecast.
Budget losses, since they are pure missed volume at your existing efficiency.
Rarely. The last slice of impressions is usually the least qualified and the most expensive to win.