What Is Exit Intent? Spotting Shoppers About to Leave

How a Browser Tells Someone Is Leaving

On a computer, a small script tracks the mouse. Once the cursor moves up and out of the page, toward the tabs, the address bar or the close button, it fires. That's the classic signal.

Phones are harder, since there's no cursor. Tools guess from other cues, like a fast scroll back up, a tap on the back button, or a stretch with no activity. Those guesses are rougher. A quick scroll up might mean someone's leaving. Or they're just checking the price again.

Exit intent is only the trigger event. What shows up next is the store's call, and it's usually a pop-up window with a discount, an email signup, a cart reminder or a free shipping note.

A $50 Serum and 40 Popup Orders

Example: A skincare store sells a $50 serum. After product cost, it keeps $25 per sale, a 50% gross margin. Its exit popup offers 20% off. That's $10 off, so each discounted sale keeps $15.

In one week, 40 orders use the popup code. The popup's report shows $1,600 in sales (40 × $40). But not all 40 were saved. Say 25 shoppers really were leaving for good. The other 15 were just switching tabs to compare prices, and they'd have come back and paid full price.

25 saved orders × $15 profit = $375 in new profit.
15 orders that were coming anyway × $10 off = $150 given away.
Real gain: $375 − $150 = $225.

So the popup still pays here, just far less than its report suggests. With these numbers, it loses money once more than 6 in 10 code users were going to buy anyway. The only way to find the real split is to hide the popup from a random group and compare. That's an A/B test.

When the Exit Signal Works Against You

It catches people who weren't leaving. Heading for the tabs doesn't always mean goodbye. Someone checking email or another store's price may be a dedicated buyer, not a walk-away customer.
Last-second timing. The shopper's already on the way out, so the popup gets one quick glance before the tab closes.
Shoppers learn the trick. If leaving always brings a code, regular visitors can start heading for the close button just to get one. That can teach full-price buyers to wait for a deal.
Small screens get crowded. On a phone, a popup can fill the whole screen, which makes it an interstitial popup. When a mobile guess misfires, you block someone who was still reading.
Same popup, every visit. That gets old fast. A cooldown period, a set gap before it can show again, helps.

Exit Intent on a Shopify Store

On Shopify, exit intent usually comes from an app, often a popup or email capture tool. In our data from 958 Shopify stores, only about 8 of every 100 sessions reach the cart. So if your popup runs site-wide, most people who see it have likely never got there. A "you left something in your cart" message has nothing to point to.

Our app, Growth Suite, watches for engagement signals during the visit, such as time on page and cart activity. Then it shows a time-limited offer only to visitors who are less likely to buy. For the full case against last-second popups and what to try instead, see our guide on why exit intent popups are outdated. Comparing tools that win back abandoned carts? See the best cart abandonment apps for Shopify.

Leaving Isn't the Same as Lost

People often treat every exit signal as a lost sale. That's a mistake. The signal only says someone is moving to leave, not why, or whether they'll be back tomorrow. For the same reason, an order placed with the popup code isn't proof the popup caused it.

And don't mix it up with exit rate. That one's a report number: the share of a page's views that ended the visit. Exit intent is a live cue, caught a second before someone goes.