Facebook - Sharing with site image, title and description

Facebook crawls the page to decide how to display it.

In order to specify the share to look according to your liking, you will have to add open graph tags .

Below is the example:

<meta property="og:image" content="URL OF IMAGE" />
<meta property="og:title" content="TITLE TO APPEAR" />

in the header of each page of your site.

You can know about it from here:

http://support.sharethis.com/customer/portal/articles/475079-share-properties-and-sharing-custom-information#Open_Graph_Tags

Please remove the "st" properties from the span tag code, the span tag should look like -

Hello User,

<span class='st_facebook_large' ></span>

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