Google Ads has published a help document for a data strength uplift metric, Search Engine Roundtable’s Barry Schwartz reported Thursday. The metric puts a percentage on the extra conversions an advertiser’s first-party data setup is credited with. It follows a separate Data Strength Best Practices document from a month earlier.
“The data strength uplift metric gives you a clearer picture of the value your first-party data setup delivers in Google Ads,” Google wrote. The figure looks back 14 days, refreshes daily, and displays from +1% up to >50%. The comparison point is a plain site tag for web conversions, or imports keyed only on GCLID for offline sales. When an account uses several of these features at once (enhanced conversions, Google tag gateway, Data Manager), shared conversions are counted once in a single combined figure.
Google calls the metric directional and says it does not change billing or Smart Bidding optimization. It counts modeled conversions alongside observed ones, and the document offers no independent validation. Read it as Google’s estimate of its own tooling’s value. Advertisers weighing measurement work should check the figure against their own incrementality tests before using it to justify budget.
Search Engine Roundtable, Barry Schwartz, November 12, 2026.