A third of consumers will check out rival sites and apps if yours are too slow.
Tech performance firm Compuware made the infographic, which observes the behaviour and trends of mobile web and app users.
Mobile web browsing is set to overtake traditional desktops by 2014, while the average US smartphone user has downloaded 22 mobile apps, supporting global app downloads to pass 30bn apps last year.
However, 71 per cent of mobile web users expect the mobile web to be faster than their PCs, and one-third will go to a rival site if yours doesn't meet their needs.
Check out the infographic below.