Social media data expert Dan Zarrella — who tracked and analyzed more than 1.3 million posts from the 10,000 most-Liked Facebook pages has released details about which posts get the most likes, shares and comments on Facebook, from post type and length to the best time of day to add updates.

According to Zarrella photos bring in the highest number of engagement across the board, followed by text and video, News links bring in the least numbers of likes, shares and comments.