Mobile-First Approach Drives Gilt.com's Digital Success

3. Make it fast. Consumers typically don't want to spend a lot of time on your mobile site or app, so make the buying process as seamless and efficient as possible. For example, save credit card information for repeat buyers to speed up checkout. Our goal is to make the entire mobile shopping experience less than two minutes, John said. If users have to spend more than two minutes — unless they want to — we're not doing our job, he added.