With the social media space in constant flux, it can be difficult to keep up with the ever-changing specs for each channel. No one should be expected to know all those numbers by heart--which is why it's important to have a guide with the most frequently used dimensions on hand for reference.
- If you want to promote a post, keep text under 20%. Here's a handy overlay you can use on your images while you are editing.
- Make a test page on Facebook where you see how images look on a page before uploading to your company or client's actual page.
- Center your background to prevent elements from being lost behind the feed when the browser is resized.
- Set a background color-- matching or complementing your background image--to prevent an unattractive white space surrounding your background image.
- There are many useful templates out there that help you mock up a Twitter page, here's one.
- Everything you need to know about uploading YouTube Channel art can be found here.