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Schema Markup Extractor

Schema Markup Extractor
Extract JSON-LD and microdata from a page, then review the discovered schema types and malformed blocks.

About the Schema Markup Extractor

The Schema Markup Extractor pulls structured data out of a web page and shows you the schema.org types it declares. It detects JSON-LD blocks (the format Google recommends) embedded in script tags, as well as inline microdata using itemscope and itemprop attributes, then surfaces the parsed objects so you can review the types and properties a page exposes to search engines. Structured data is what powers rich results — star ratings, FAQs, recipes, breadcrumbs, event details, and product pricing in the search listing.

The tool fetches the page, locates each structured-data source, and presents the extracted schema in a readable form so you can confirm which entities (such as Article, Product, Organization, BreadcrumbList, FAQPage, or LocalBusiness) are present and whether their required and recommended properties are populated. Because rich-result eligibility depends on specific properties being correct, seeing the raw extracted data quickly reveals missing fields, malformed values, or duplicate conflicting blocks that prevent enhancements from showing.

Common use cases include verifying that a CMS or plugin is actually emitting the schema you configured, debugging why a page lost a rich result, auditing competitors to see which markup types they use, and confirming that templated pages output valid JSON-LD across an entire content type. Developers also use it after deploys to catch silent regressions where a template change broke or dropped the structured data.

Practical tips: prefer JSON-LD over microdata since it's easier to maintain and is Google's recommended format, and make sure the markup describes content that is actually visible on the page to stay within structured-data guidelines. After extracting, validate the result against Google's Rich Results Test and the schema.org reference to confirm eligibility, and keep your structured data consistent with the page's Canonical URL and visible content. Pair this with the Social Preview Checker for a full machine-readable metadata audit.

Frequently asked questions

What is the difference between JSON-LD and microdata?
JSON-LD is a script block of structured data kept separate from the visible HTML, which makes it easy to add and maintain, and it is Google's recommended format. Microdata uses itemscope and itemprop attributes inline on the HTML elements themselves, tightly coupling markup to layout. This tool extracts both.
Does adding schema markup guarantee a rich result?
No. Valid structured data makes a page eligible for rich results, but search engines decide whether and when to show them based on quality, relevance, and policy. Correct, complete markup that matches visible content maximizes your chances but is not a guarantee.
Why might my schema not produce a rich snippet?
Common reasons include missing required properties, values that don't match the visible page content, malformed JSON-LD syntax, the markup describing content the page doesn't actually show, or a manual action for spammy structured data. Extracting and reviewing the raw markup helps pinpoint which applies.
Which schema types are most useful for SEO?
It depends on the page, but high-value types include Article and BreadcrumbList for content sites, Product with offers and reviews for e-commerce, FAQPage for support content, LocalBusiness for storefronts, and Organization for site-wide identity and knowledge-panel signals.