Google expanded Smart Bidding Exploration to all Performance Max campaigns globally — campaigns are seeing an average 19% increase in conversions.
Google quietly expanded Smart Bidding Exploration to every Performance Max campaign globally, and the average reported lift — a 19% increase in conversions — is one of the more significant algorithm changes this year for advertisers who’ve felt stuck.
Here’s the pattern we see constantly: a Google Ads account runs well for the first six to twelve months, then plateaus. Not because the product or offer changed, but because the algorithm has exhausted the obvious, high-intent query pool it was matching against. Performance flattens, and most advertisers respond by cutting budget rather than recognizing this as a signal the account needs new signals to explore, not less spend.
Smart Bidding Exploration directly targets this problem — it allocates a small percentage of budget to test adjacent, less obvious queries and audience segments the algorithm previously avoided because they hadn’t proven themselves yet. Early data suggests this exploration budget is finding real, previously invisible conversion paths rather than just adding noise.
The caveat: exploration only works well when the account’s existing conversion data is clean. If your conversion tracking has gaps or your value-based bidding inputs are inaccurate, the algorithm explores based on flawed signals, and the “19% lift” can just as easily become wasted spend.
If your Google Ads performance has plateaued this year, this update is worth testing before you assume the channel is maxed out — but only after your tracking foundation is verified.
Get your Google Ads reviewed — oconversion.com