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In-depth guides and case studies where this concept is put to work.
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Start free trial →In-depth guides and case studies where this concept is put to work.
A pop-up is an overlay window that appears on top of the main content of a webpage, temporarily blocking or partially blocking the user's view to draw attention to a specific message, offer, or action. On ecommerce sites, pop-ups are commonly used to collect email or phone numbers ("Subscribe for 10% off"), announce promotions, present exit intent offers, or display important information before a visitor leaves.
Pop-ups are simultaneously one of the most effective and most misused tools in ecommerce. Used correctly, a well-timed pop-up with a relevant offer can capture email addresses from 3–8% of new visitors — building a retargeting list that pays dividends over time. A first-order discount pop-up can convert hesitant browsers into buyers at a lower cost than additional ad spend.
Used poorly, pop-ups interrupt the browsing experience, trigger immediate closure, and increase bounce rates. The most common mistake is showing a full-screen pop-up within 2 seconds of a visitor landing on the site — before they've had any chance to engage with the content. This is the digital equivalent of a salesperson accosting a customer the moment they walk through the door.
For Indian D2C brands with WhatsApp-heavy customer communication flows, pop-ups that capture phone numbers (with consent) are especially valuable. A phone number is worth more than an email for many brands in India because WhatsApp open rates are significantly higher than email open rates.
Bellavita uses a timed pop-up that appears after a visitor has spent 15 seconds on the site — enough time to browse at least one product. The pop-up offers "15% off your first order" in exchange for an email address. The delay is deliberate: visitors who are still on the site after 15 seconds have shown some level of interest, making them more likely to convert on the offer. The immediate-exit rate on this pop-up is lower than industry average, and the captured email list converts at higher rates in subsequent email campaigns.
Pop-up timing, format, offer type, and copy are among the most commonly tested elements in CRO. CustomFit.ai lets you run experiments on pop-up variants across specific segments — for example, showing a discount-focused pop-up to mobile users (who are more price-sensitive) and a content-focused pop-up to desktop users (who may be doing deeper research before buying).
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