Start with page truth
Structured data should describe the same entity, offer, author, date, and breadcrumb trail users can verify on the page.
Structured data · live page source
Fetch one public HTML page, inspect every retained JSON-LD script, list graph nodes, catch malformed JSON, review schema.org context, duplicate `@id` values, article/product/breadcrumb gaps, and source-visible microdata or RDFa cues.
No sample rich result, enhancement promise, ranking lift, traffic estimate, fake validation proof, or manufactured issue count appears before a live HTML response is checked.
Schema workflow
Structured data should describe the same entity, offer, author, date, and breadcrumb trail users can verify on the page.
Consistent absolute `@id` values help connect repeated references without creating accidental duplicate entities.
Pair this source check with the Schema.org validator, Google’s Rich Results Test, and Search Console enhancement reports where applicable.