Structured Data Error Rates Dataset
Error rates in structured data implementations across websites.
Key Takaways

Based on 3k domains

Analyzed FAQ, Product, Article, LocalBusiness schemas

Tracks valid vs warnings vs errors

Highlights markup quality

SEO audit relevance

CSV downloadable
Frequently Asked Questions
What errors are tracked?
Warnings and errors in schema markup.
Why is this important?
Structured data affects rich result eligibility.
How common are errors?
17% of sites have critical errors.
How should I use this dataset?
Benchmark your schema health.