Google's push toward automation has left advertisers confused: should Search still exist? The answer is yes — but with clear roles.
Search owns high intent
Use Search campaigns when:
- People know what they want and type it
- You need control over keywords, match types, and negatives
- You sell high-consideration services with long copy
Search is your capture layer. Protect brand terms always; expand non-brand only with conversion data.
Performance Max owns breadth
PMax works best when:
- You have strong conversion volume (50+ conversions / month)
- Creative assets exist across formats (image, video, text)
- You want incremental reach on YouTube, Display, Discover, and Maps
PMax is your discovery layer — not your only layer.
Avoid cannibalization
Common mistakes:
- Running PMax on pure brand queries (use brand exclusions)
- Duplicating the same offers in Search and PMax without segmenting goals
- Pausing Search the moment PMax "works"
Run both with separate conversion values if possible (e.g., lead vs purchase).
Feed the machine correctly
PMax quality depends on:
- Audience signals (customer lists, remarketing)
- Asset groups themed by product line or service
- Strong final URLs with message match
Refresh assets every 30 days. Stale creative is the silent killer of automated campaigns.
Reporting that does not lie
Compare incrementality, not last-click:
- Holdout geo tests quarterly
- Track branded search lift when scaling PMax
- Use GA4 path reports for assisted conversions
Search and PMax are teammates. Search catches demand you already earned awareness for; PMax finds demand you did not know existed — if you give it structure and proof.