Touches to purchase: how many times you have to be seen before it works
Frequency capping and budget decisions both depend on this number, and most stores are working from an industry rule of thumb rather than their own.
Time to purchase tells you how long the window is. Touches to purchase tells you how much has to happen inside it. Together they are most of what you need to set a sensible media plan.
What counts as a touch
A touch is a session that reached your site from an identifiable source - an ad click, a search, an email tap, a message link. Impressions are not touches; you cannot see them and neither can your analytics.
What the number tells you
- A low count with a short window means demand capture. Bid on intent, do not over-invest in awareness.
- A high count with a long window means consideration. Frequency and sequencing matter, and single-touch attribution will badly misprice everything.
- A high share of one-touch orders means either genuinely impulsive buying or - more often - broken identity stitching earlier sessions into strangers.
The diagnostic use
This number is also the health check for your own tracking. If your product genuinely takes weeks of consideration and your data says most orders arrive on a single touch, the data is wrong, not the customers. That is usually a cookie-lifetime problem, and it is fixable.
Watch this number after any tracking change. If it goes up, you did not change customer behaviour - you started seeing touches you were previously losing.
What to do next
Compare touches-to-purchase for your new customers against your repeat customers. The gap between them is roughly what brand familiarity is worth to you, and it is a number worth having before the next budget conversation.
Read next
Attribution coverage: the number that decides whether any of your other numbers are true