Twitter Card meta tags allows you to control how your WCMS 3 page is displayed on a Twitter Card when a Tweet links to your WCMS page.
WCMS supports seven types of Twitter Cards:
From the administration bar, select Workbench, and then select My Dashboard.
Navigate to the Content types panel. Select the web page you would like to edit from the Content list panel.
Select the Edit tab.
Select Advanced configuration.
Navigate to the Twitter cards panel.
Select Twitter card type.
In the Description field, add a description that summarizes the content of the page. The character limit is 200.
If required by the card type selected, enter the title of the page in the Title field. The character limit is 70.
Optionally, enter the Creator’s Twitter account. This is the @username for the account. The "@" symbol needs to be included when entering the account.
Optionally, enter the Creator’s Twitter account ID. This is the numerical account ID for the creator/author.
Enter the Image URL, if applicable.
Enter alternative text in the Image alternative text field, if applicable. The alt text is a description of what is in the image, not a caption.
Enter the Image width and Image height, into their respective fields, if applicable.
Populate any other required fields for the selected card type.
Select state from the Change to: drop-down menu.
Select Save.