Custom HTML Structured Data Report
Validate your Custom HTML site's structured data (Schema.org, product feeds, local business markup) in seconds. Make it easy for Google, Bing, and social networks to understand every entity on your Custom HTML pages.
What does this tool validate?
Our structured data validator checks your JSON-LD markup against Schema.org specifications to ensure rich results eligibility.
JSON-LD Syntax
Validates your JSON-LD is properly formatted and parseable by search engines.
Schema.org Types
Checks for Product, Article, Organization, LocalBusiness, and more.
Rich Results
Verifies eligibility for rich snippets, knowledge panels, and carousels.
Best Practices
Recommendations for improving your markup and maximizing visibility.
Structured Data on Custom HTML
Custom HTML sites can add OG images directly in the <head> section. Add <meta property="og:image" content="YOUR_IMAGE_URL"> tags in your HTML templates.
Our Custom HTML structured data report scans JSON-LD, Microdata, and RDFa to catch missing fields, invalid itemtypes, and opportunities for new rich results. Businesses that maintain accurate structured data unlock review stars, product availability callouts, sitelinks, and better AI summarization across Custom HTML experiences.
Ship rich results faster
Subscribe to monitor your structured data inventory, catch regressions automatically, and push clean Schema.org markup across every launch.
Free tier includes 5 pages/month. No credit card required.