How to fill up the metadata
To find and manage your metadata (meta tags), go to the tag icon at the top of each page.
You will see a preview of your current metadata and how it appears on Google.
As you edit and update the metadata fields, you will see the preview update, giving you a visual representation of the way your readers will see your site on Google.
For more information about how to formulate your metadata, go here:
Watch the tutorial video:
How to Add Metadata