In the back-end, you as a website owner can type any URL that you want the visitor to share with their facebook friends. A modal window will show up in the front-end with a facebook share button. If the visitor chooses to share, then the URL you typed in the back-end gets shared. If the visitor does not want to share, then he can simply close the 'Share the link' dialog box.
The Customize Share for Facebook plugin can be installed in 4 easy steps:
- Unzip "customize-fb-share" archive and put all files into a folder like "/wp-content/plugins/customize-fb-share/"
- Activate the plugin through the 'Plugins' menu in Admin dashboard
- Inside the Wordpress admin, there will be a menu item - Customize Share for Facebook, Click that.
- Type the URL that you want visitors to share in the text box.
This URL gets shared in the front-end by the visitors.