How to Use Google Structured Data Markup Helper for Emails?
Follow these steps to use the tool effectively for your email campaigns:
Visit the Google Structured Data Markup Helper website. Select “Email” as the data type you want to markup. Paste the HTML content of your email into the tool. Use the point-and-click interface to tag different elements of your email with the appropriate structured data. Download the generated JSON-LD or Microdata markup. Incorporate the generated markup into the header of your email's HTML.