1.Click the Custom Tags and Thumbnails button on the Create a Short URL page. (If you want to customize tags or thumbnails for a short URL you have already created, please go to Step 3.)

2.In the pop-up window, fill in the fields for title, site name (used for SEO; not displayed publicly), and description. You may also upload an image of your choice. When you’re finished click Save.

3.If you need to change the setting for a short URL you created previously, just click the Custom Tags and Thumbnails button behind the short URL to make changes.

4.In the pop-up window, fill in the fields for title, site name (used for SEO; not displayed publicly), and description. You may also upload an image of your choice. When you’re finished click Save.

Please note: Changes will not appear until Facebook’s cache refreshes. If you need to see how your changes look right away, you can go here and have Facebook scrape your website.