Do pop-ups hurt conversion? How to use them without losing sales
Newsletter and discount pop-ups can grow your list or drive shoppers away. When to show them, how to keep them out of the way on mobile, and what to avoid.
Pop-ups hurt conversion when they appear the moment someone arrives and cover what they came to see, especially on phones, where they can fill the whole screen. They work better when they wait until the visitor has shown interest (after 20 to 30 seconds, after scrolling, or when they're about to leave), are easy to close, and offer something worth having. Keep cookie notices to a slim bar.
- Never cover the store on arrival. Wait until the visitor has seen what you sell.
- On mobile, a full-screen pop-up is often worse than none. Use a small banner or slide-in.
- Make the close button big and obvious. A hidden "x" frustrates people.
- One pop-up per visit is plenty. Stack a cookie banner, a discount pop-up and a chat window and people leave.
Why pop-ups on arrival cost sales
A first-time visitor has a few seconds to decide whether your store is for them. A pop-up that opens straight away hides your headline, your products and your button behind a form, before they know whether they want your discount. Many people close it without reading, and some close the tab instead.
Google has also said that intrusive interstitials that cover content on mobile make for a poor experience, which is one more reason to keep the first screen clear.
When to show a pop-up
- After a delay: 20 to 30 seconds on the site.
- After scrolling: once the visitor has scrolled through part of a page.
- On exit intent: when the mouse moves to close the tab (desktop only).
- On the second page view: people who browse further are more interested.
Most pop-up and email apps for Shopify and other platforms support these triggers in their settings.
Pop-ups on mobile
Phones are where pop-ups do the most damage. A form that's a neat box on desktop can cover the entire screen on a phone, with a tiny close button in a corner. On mobile, prefer a slim banner at the bottom or a small slide-in, and test it on your own phone.
What a good pop-up looks like
- One clear offer ("10% off your first order", "Free shipping guide") and one field.
- A big, obvious close button and a "No thanks" link.
- It doesn't come back on every page once someone has closed it.
- It matches your store's look, so it feels like part of the site.
Check yours
StorePeek captures your store's first impression, pop-ups included, on desktop and mobile, then closes them to review the page underneath. Run a free check to see whether pop-ups are covering your store on arrival.
Frequently asked questions
Should I remove my newsletter pop-up?
Not necessarily. Email subscribers can be valuable. Keep it, but delay it, make it easy to close, and make sure it doesn't cover the store on mobile.
Are exit-intent pop-ups okay?
On desktop they're generally less intrusive than pop-ups on arrival, because they appear when someone is already leaving. They don't work the same way on phones, which have no mouse to track.
Does the cookie banner count?
A slim cookie bar is fine. A large cookie wall that blocks the page on arrival has the same problem as any other pop-up, so keep it small while still meeting the privacy rules that apply to you.