it’s very important with all things social media to make sure that all appears ship shape and shiny. one of the key ways of doing that is through having the correct size images across your blog, twitter, pinterest, linkedin, facebook and all other platform accounts.
knowing what sizes you need things can massively help you when you are using imaging suites (ie: photoshop, picmonkey, pixlr) or trying to direct a designer. it also means you can ensure the resolution and definitions (two different things, will cover another time) of your images are picture perfect. i found this guide below on Luna Metrics recently and thought I’d share: 
