Conversion Lag Reporting

What Is Conversion Lag Reporting?

Anyone who evaluates Google Ads campaigns after two days and reallocates budgets often makes a costly mistake. Conversion Lag Reporting shows you the real sales cycle and when your data is meaningful. This knowledge is critical for correctly evaluating Smart Bidding strategies and protects you from hasty optimizations based on incomplete numbers.

Conversion Lag Reporting in Google Ads shows you how many days pass between a click on your ad and the subsequent conversion. This information is essential for correctly evaluating your campaign performance, because the longer the lag, the more incomplete the conversion data for the last few days.

You find the Conversion Lag Report under Reports as a predefined analysis. It breaks down conversions by the number of days between click and conversion: what percentage converts on the same day, after one day, after two days, and so on? For e-commerce campaigns, the bulk of conversions often fall within one to three days. For B2B or high-ticket products, the lag can be considerably longer.

The Conversion Lag Report is essential for your optimization for two reasons. First: it defines the correct time window for performance evaluations. If 90 percent of your conversions arrive within seven days, you should not evaluate campaigns based on the last three days of data. Second: it helps with configuring your conversion window. Set the window so it captures at least 95 percent of your conversions. The Conversion Delay Estimate complements this report with a forecast of still-pending conversions.