I remember when I created my Facebook and Google+ cover images and profile images, I had to search on Google to find the specifications for image sizes. It was confusing because some websites gave old specifications.
If you run into the same headache as I did, I have good news for you . . .
Raidious.com has created an easy-to-use infographic that has all the layout specifications for Facebook, Twitter, LinkedIn, Google+ and Youtube. With this social media specification guide in hand, you too can create stunning looking social media cover pages.