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Structured Data Preflight

Parse live JSON-LD before release, list detected schema types and expose syntax failures alongside canonical and accessibility signals.

Live public check No HTML retained Free, no sign-upEspañol

Preparing the release cockpit…

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Useful next stepWebsite Release DoctorCrawl a website before or after deployment, find technical release blockers, prepare exact fixes, and verify what changed without creating an account.

Transparent methodology

What the result includes—and what it does not

Updated SolveKit technical review — JSON-LD QA

Built for developers checking live JSON-LD syntax and deployment coverage before running provider-specific tests.

Calculation method

  1. 1Find every initial-HTML script whose type is application/ld+json and parse it as JSON.
  2. 2Walk objects, arrays and @graph entries to list every detected @type.
  3. 3Group parse failures across the crawl and keep the exact parser evidence with affected URLs.

Assumptions and limits

  • Valid JSON-LD syntax does not prove compliance with a search feature's required properties or guarantee a rich result.
  • The first release lists types and syntax failures; it does not replace Google's Rich Results Test or Schema.org's full validator.
  • Markup inserted only after JavaScript is outside the initial-HTML result.

Worked example

Broken JSON-LD after a template deployment

Input: Fifty product pages with an unescaped quote in one JSON-LD template.

Output: One critical JSON-LD syntax issue grouped across all affected product URLs with the parser message.

Primary sources

How to use it

From public URL to verified release.

  1. 1Choose the release mission and declare whether the scope should be public.
  2. 2Keep the page open while respectful batches read public HTML and cross page signals.
  3. 3Export the evidence, deploy the fix, then load the project to verify the same scope.

Built for trust

Evidence without a false promise.

  • No registration or paywall before your result.
  • Only public URLs are fetched; HTML is not written into the project.
  • Ready to ship describes the checked scope; it never guarantees indexing or ranking.

Frequently asked questions

How can I check JSON-LD before deployment?

Use a public preview or production URL. The preflight reads every initial JSON-LD block, parses the JSON and lists detected schema types, with syntax failures grouped across affected pages.

Does valid schema guarantee a rich result?

No. Valid syntax is only the first gate. Search features have supported types, required properties, content and quality policies, and search engines decide whether to show an enhancement.

Why should I still use the official Rich Results Test?

Website Release Doctor is built for multi-page release coverage and regression grouping. The official test remains the authority for whether one page is eligible for a particular Google rich-result feature.

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