The Markdown preview is not consistently delivering the same result as the one you will see on your site. The Front Matter extension provides you a way to show the actual site instead.
In order to use the site preview, you will first have to set the
frontMatter.preview.host setting. You can set it via the
Global Settings section in the Front Matter panel or in your
For example, with Hugo, the local server spins up on
http://localhost:1313. When you set this URL as the value of the
frontMatter.preview.host setting. You can click on the open preview button and the site preview will be shown.