Every brand knows how much it sold over Black Friday by Tuesday morning. Far fewer know whether the weekend worked, because revenue is the least useful way to judge it. A record weekend built on 40 percent off to existing customers can leave you with less profit than a normal week, and a modest weekend that brought in 2,000 new customers who reorder in spring can be the best thing you did all year.
So the measurement job after BFCM is different from the dashboard job during it. You are answering four questions. How many genuinely new customers did you acquire, and at what cost compared with a normal month? What did the discount cost you in margin? Do BFCM buyers come back at anything like the rate of your regular customers? And which channels actually drove the new ones? Each of those needs a slightly different tool.
Shopify’s built-in reports
Start here because it is free and it is your own order data. Shopify’s reports split new and returning customers and show discounts applied, which covers the first two questions in rough form. Pull the BFCM week and the same week a month earlier, and compare new-customer count, average discount per order, and average order value. That alone settles the most common argument, which is whether the sale was acquisition or a giveaway to people who would have bought anyway.
Lifetimely
Lifetimely is built for the third question. It tracks repurchase rate, time between orders, and lifetime value by cohort, so you can follow the November cohort against your regular cohorts at 30, 60, and 90 days. Pricing is based on monthly order volume. The free plan covers up to 50 orders, S is $79 a month for up to 500, M is $149 for up to 3,000, and L is $299 for up to 7,000, with a 14-day trial on paid plans. Order-based pricing means your November volume matters here, so check how a one-month spike is billed before the sale. The real payoff comes in February, when you can see whether BFCM buyers behave like customers or like coupon hunters. I wrote about reading those curves in reading LTV and cohort curves without fooling yourself.
ThoughtMetric
ThoughtMetric answers the channel question. (Disclosure: ThoughtMetric sponsors this site.) It reports new-customer orders, new-customer ROAS, and cost per new-customer order by channel, campaign, and ad, and it can break results out by discount code and product. That last part is useful after BFCM, because you can see which codes and which products actually brought in first-time buyers. It folds post-purchase survey answers into attribution as well. Pricing starts at $99 a month for 50,000 pageviews with every feature included and a 14-day trial. Like any attribution tool, it only measures from the day it is installed, so it needs to be live before the sale to be useful after it.
KNO post-purchase surveys
KNO covers the gap every pixel has during BFCM. A lot of Black Friday orders come from people who saw an ad days earlier, got a text from a friend, or are buying a gift for someone else, and none of that shows up cleanly in click data. Asking at checkout fills it in. Its Shopify listing shows Starter at $19 a month for one survey with three questions and unlimited responses, with higher plans at $119 and $299. The gift buyer problem deserves its own question on the survey, for reasons I covered in why gift shoppers distort your Q4 new-customer numbers.
The scorecard I use
Two weeks after Cyber Monday I write one short page with five numbers. New customers acquired and cost per new customer, each against a normal month. Total discount cost as a share of BFCM revenue. Contribution margin for the week after discounts, shipping, and ad spend. And the share of new customers who came through each channel. Then in late February I add the 90-day repurchase rate for the November cohort next to the same figure for an October cohort.
The February number is the one that changes next year’s plan. If BFCM buyers reorder at half your normal rate, the true cost of acquiring them was roughly double what it looked like in December, and next year’s discount should be smaller. If they reorder like everyone else, you underspent.
Picking tools
- Need the basic answer fast and free? Shopify’s reports, comparing BFCM week with a normal week.
- Want to know whether BFCM buyers come back? Lifetimely, judged in February.
- Want new-customer cost by channel, code, and product? ThoughtMetric (our sponsor), installed before the sale.
- Suspect gifts and word of mouth are hiding in your direct traffic? KNO.
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