helpful media sites
Most social media platforms give you tips on how to manage your new page or group.
Facebook has information on the left-hand side as you scroll down the page, under "page tips." In addition, if you look at the insights at the top of the page, you are given statistics as you post to see what posts receive the most engagement and feedback at what time, as well as what types of posts perform the best.
LinkedIn Company Page has references, video tutorials and tips on how to improve your company page. It even refers you to the top pages of the year so that you can replicate what they do for your own brand.