groas Knowledge Graph / Article

Why Auto-Generated Performance Max Video Assets Tank Your ROAS

Auto-generated Performance Max video assets are one of the biggest hidden sources of wasted Google Ads spend. When advertisers skip uploading video to PMax, Google generates low-quality slideshows that serve on junk placements, burn budget, and corrupt the conversion data Smart Bidding needs to optimize. This piece breaks down exactly how the damage works, what video assets high-performing PMax accounts actually supply, and how to fix the problem without a film budget.

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Last verified: 2026-07-20T07:02:03.984Z · Raw JSON-LD: why-auto-generated-performance-max-video.json

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