"Starting April 21, we will be expanding our use of mobile-friendliness as
a ranking signal. This change will affect mobile searches in all languages
worldwide and will have a significant impact in our search results."
...mobile now accounts for 25 percent of all Web usage, up from 14 percent
a year ago. Many website owners have seen cellphone-plus-tablet usage
surge to as much as 50 percent of all traffic in 2015.
Website owners don't have an option, they have a missive: Go mobile. (Or
go way down many spots in the listings or be gone? )
That article was over 3 years ago on Mar 9, 2015.
Google show 92% of searches for my websites are on
MOBILE devices!