Mobile Gestures: 40% of Sites Don't Support Pinch or Tap Gestures for Product Images

During our mobile usability testing of e-commerce sites we’ve time and again documented that users try to use gestures such as pinch, double-tap, and swipe, to try zooming and navigating images on mobile product pages. However our latest benchmark of 50 top-grossing US mobile e-commerce sites reveal that 40% fail to support these image gestures. (baymard.com)