Tools for adding structured data (for beginners) Structured Data Markup Helper Structured Data Markup Helper Tagging dates Add missing data Remove tags Tag an email template Manually add markup for a property Review and download the markup example Data Highlighter About Data Highlighter Data types supported by Data Highlighter Create a page set Publish or unpublish a page set Delete a page set Tips and tricks for using Data Highlighter Troubleshooting Data Highlighter