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AI Max bundles three generative-AI features into standard Search campaigns: search term matching that reaches beyond your keyword list, dynamically assembled ad text, and final URL expansion that picks the landing page Google thinks fits each query. It's the successor to Dynamic Search Ads, and the migration isn't optional. Search Engine Land reported Google delayed the initial rollout, then began auto-upgrading DSA campaigns in September 2026.The part most store owners miss: AI Max is a signal amplifier, not a strategy. It learns from the conversion data your account reports and pushes budget toward whatever that data says works. Feed it complete data and it finds more of your real buyers. Feed it partial data and it confidently optimizes toward a distorted audience. Translation: incomplete tracking doesn't just under-report results anymore, it actively steers your spend.That's why the tracking question comes first for WooCommerce stores. Browser-only pixels lose 30 to 50 percent of conversions to ad blockers, Safari's tracking prevention, and consent rejection, so the signal AI Max trains on skews toward Chrome users who accept cookies. Server-side tracking closes that gap before the machine learns the wrong lessons. For the full upgrade timeline and what to check before your campaigns migrate, see Google is force-upgrading your DSA campaigns to AI Max.