Structured data is useful when it describes the page a reader actually sees. The daily check focuses on agreement, not simply whether a validator reports valid syntax.
Compare identity fields
Match the schema headline, canonical URL, author or publisher, featured image, and article type with the rendered page. Verify that the canonical is absolute and belongs to the intended family.
Compare dates
The visible publication date and datePublished should represent the same release. Use dateModified only when a meaningful update occurred and the visible page communicates that history clearly.
Inspect the rendered result
Fetch the final HTML and locate the JSON-LD block. Client-side assumptions can hide missing production markup. Run the appropriate validator, then review warnings in the context of the page rather than treating every optional field as mandatory.
Save route-level evidence
Record the route, source revision, extracted fields, and check result. If facts disagree, stop the release and correct the existing metadata instead of adding another schema block.
