This infographic breaks down portfolio bidding as a PPC optimization strategy. This is the modern approach to SEM optimization that looks at shared data across a group to make decisions that benefit the whole portfolio, rather than any individual keyword within.
Google Ads documentation provides a high-level view, but may not answer the questions you have about the value of this type of bidding methodology.
Take your paid search campaigns to the next level with this optimization strategy. Learn more in our other blog posts on portfolio vs keyword bidding, or in our new eBook: SEM Optimization Techniques: Are You Overpaying Google?