It seems Bing has decided to follow along with Google and introduce mobile-friendly badges on mobile search results to help users identify whether or not the link they’re about to click is optimized for their device. The news was first spotted by nomis5 in the WebmasterWorld forums – and since then numerous people have reported seeing the same badging, including myself:
Bing themselves haven’t made any official post regarding this, and their last mobile guidelines post was back in 2014 – however it’s curious to see if Bing will also be changing their algorithm much like Google to help rank mobile friendly websites. We shall see.