A Facebook share button will allow readers of your site to post a link to that page on their wall. If you have a blog you can add a Facebook Share button to each blog post and allow your readers to post the link to your post on the their wall. A neat feature of the Facebook Share button is that it tracks how many readers shared your page/post. If you are using WordPress adding a Facebook Share button is simple. All you need to do is add the Facebook Share plugin and activate it and you are done. The plugin will do all the work for you, once activated the Facebook Share button will appear on the side of each post. If you want to add a Facebook Share button to a page on your website then add the following code. The url to the page the button is placed on will be used as the share link.