Mobile accounts for 77% of time online in the UK

"Mobile devices (smartphones and tablets) now account for 77% of time online, up from 73% a year ago.
Females spend the greatest share of time on mobile devices at 84% compared to only 71% for males.
The ‘mobile only’ audience has grown by 7% points over the last year, up from 25% to 32% of the UK online adult population.
Platform share differs greatly by category. For example, smartphones account for over 85% share of time for instant messenger, coupons, maps, fitness trackers, books, social media, dating and online gaming categories. PCs and laptops account for over 50% of time spent on Education, Family and Automotive sites."
Source:  UKOM, January 2019