When you share a post on Facebook, it will display a thumbnail picked from the post page along with a short description of the post. But in many cases Facebook fails to identify the correct image and description that it should use. This leads to irrelevant images and description coming up in Facebook when you or your readers share the post. This is totally annoying, and I had got many queries regarding this on my Facebook page and via email. So for those who are trying to figure a way out of this, here is the solution.
Which image and Description does Facebook pick from your Post Page
Facebook regularly scrapes your page and caches the data to your servers. They look for meta data information(Opengraph tags and others) in your post page. The meta data can explicitly specify the image and the description to use when the page is shared.If Facebook doesn’t find any meta data, then their Algorithms will fetch some description and image from your Page. Facebook shows a wrong description or image when their Algorithms are not able to fetch the correct image and description from your Post Page. We will solve both of these issues using two different techniques.
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