List some important SEO off-page activites we should use in 2016

Hi all

There are lot many changes of seo practice we do earlier before and now. Some of the seo off page activities are not used now a days. Unlike search engines are mainly looking of quality of work done not the quantity. With the latest changes in algorithms of search engines we can see the change in traffic and audience. So my question is what all SEO off-page activities should be done in 2016 to improve ranking of website.