Bid strategy refers to the approach and tactics used by internet marketers and SEO specialists to determine the optimal amount to bid on keywords or placements in online advertising platforms. It involves analyzing various factors such as competition, target audience, budget, and campaign goals to set bids that maximize the return on investment (ROI) and achieve desired outcomes, such as increased website traffic, conversions, or brand visibility. A well-defined bid strategy helps marketers effectively allocate their advertising budget and optimize their online advertising campaigns.