Even with the same bid strategy, performance varies due to factors like account history, competition, and ad quality. Older accounts with strong conversion data may get better placements. Market saturation and competitor activity also affect CPC and impression share.
Additionally, Quality Score, CTR, and ad relevance influence how Google optimizes bids. Budget pacing and past performance shape how Google allocates spending. To improve results, focus on better targeting, high-quality creatives, and consistent optimization.
