By Paul Skeldon

Google Shopping ads on mobile phones are the largest single source of visitors to retail websites, according to a new report – but many retailers are then failing to keep those visitors on site.

A Shopping Behaviour report from InternetRetailing Knowledge Partner FoundIt! found that nearly 25% of all sessions across direct, paid and shopping search traffic came from the source. However, as much as 83% of traffic either leaves immediately or views as little as 2.5 pages before leaving.

FoundIt! chief executive Warren Cowan said in a blog post: “In seeing more users coming from shopping search and doing so on mobile we are truly seeing a perfect storm of mismatching shopper intent with the wrong type of content, combined with a smaller, portrait and hand-held screen where any navigation options are fewer,…