Have you ever went to post a status update about one of your website's pages and the thumbnail Facebook chose to show wasn't the image you wanted? Have you ever posted a link, and no thumbnail showed?
Facebook has a coding technology called "OpenGraph" that allows a website to tell Facebook what information to display when someone shares a link. This can be crucial for a fine-tuned social media campaign.
Let’s say you have a page, and you want to change the image that shows when someone likes or links to that page on Facebook. Or, you want the description or title to read differently, well, how do you do that? And how do you test it without posting it on your facebook?