Paste any product or collection page URL and instantly validate its JSON-LD structured data against Schema.org standards. All for free, no signup required.
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Learn how to validate schema for any webpage without any complex steps.
Copy and paste any product, collection, or homepage URL from your online store into the URL field.
Click 'Validate Schema' to extract all JSON-LD structured data from the page and run it through Schema.org validation rules.
Receive a 0–100 schema score with a letter grade, a full issue list sorted by severity, and a readiness breakdown across Google Shopping, rich snippets, and AI search.
Understanding the tool that powers smarter structured data audits
A schema validator is a tool that checks whether the structured data on a webpage is correctly formatted and complete according to Schema.org specifications. Unlike generic JSON validators or browser DevTools, it understands specific schema types — even for e-commerce stores, such as Product, Offer, AggregateRating, and BreadcrumbList — and evaluates them against the exact field requirements Google uses to determine rich snippet eligibility and Shopping ad readiness.
How it works: The tool fetches the page at your URL, extracts all JSON-LD scripts from the HTML, and runs every property and value through Schema.org's defined rules — checking required fields, recommended fields, value formatting, and cross-channel readiness signals in one pass.
While manually checking schema with browser DevTools takes 10–15 minutes per page, this tool surfaces every issue, scores your schema, and gives you a fix for each error in seconds.
"A schema validator is a tool that checks whether the structured data on a webpage is correctly formatted and complete according to Schema.org specifications. Unlike generic JSON validators or browser DevTools, it understands specific schema types — even for e-commerce stores, such as Product, Offer, AggregateRating, and BreadcrumbList — and evaluates them against the exact field requirements Google uses to determine rich snippet eligibility and Shopping ad readiness."
The data behind why schema errors cost you clicks, rankings, and revenue
On Google Search, Shopping, and AI-powered results, structured data tells Google exactly what your products are, what they cost, and whether they're in stock. Pages with valid Product schema are eligible to show price, availability, and star ratings directly in organic results. Without correct schema, those rich snippets never appear — and Google Shopping may deprioritize or suppress your products entirely.
Our validator checks every dimension of your schema against Schema.org rules and Google's channel-specific requirements — not just whether the JSON parses correctly.
Most validators only check whether your JSON is valid. This tool validates every field against Schema.org's defined types, required properties, and formatting rules — catching semantic errors that a JSON linter would miss entirely.
Find out whether your schema qualifies Google to display star ratings, price, and availability in organic search results. The tool evaluates your schema against Google's rich result requirements and flags every gap preventing eligibility.
Google Merchant Center pulls structured data signals to validate and enrich Shopping listings. This tool checks whether your schema covers the fields Google Shopping needs and highlights what's missing before those gaps affect your ads.
AI-powered search engines and shopping assistants rely on structured data to understand, surface, and recommend products. The validator evaluates whether your schema is detailed enough for AI engines — checking for depth of product attributes, identifiers, and offer data.
Each marketplace has different title character limits and keyword rules. The AI automatically respects Amazon's 200-character cap, Google Shopping's front-loading preference, and Etsy's long-tail keyword style — so your titles are always within spec.
A 0–100 score and letter grade give you an instant benchmark. Track improvements as you fix issues, and use the score to prioritize schema work across your catalog before it affects ad performance or rankings.
Whether you manage one store or fifty, this tool fits your workflow
"I have no idea if my product pages have correct schema or not."
Paste any page's URL and get an instant schema health check — no technical knowledge required.
"I run a B2B store and want to make sure my product pages are set up correctly for search."
A10-compliant titles with optimal keyword order, within Amazon's character limits and style guidelines.
"I want my products to appear in AI-powered shopping recommendations."
The AI readiness check evaluates your structured data against what AI engines need to understand and surface your products — and gives you specific fields to add.
"I'm not on Shopify — does this work for my store?"
The validator works on any publicly accessible URL regardless of platform. Paste any product page from your BigCommerce or WooCommerce store and get the same full schema report instantly.
"My Shopping listings keep getting disapproved or my products aren't surfacing."
The validator checks every field Google Shopping requires from structured data and tells you exactly what's missing or malformed before it affects your campaigns.
"I manage multiple client stores and need to audit schema across all of them."
Schema errors across client stores mean lost rankings, missed rich snippets, and Shopping disapprovals you're accountable for. Run instant validations across any client URL, get scored reports with severity-ranked issue lists, and walk into every client call with a clear picture of what's broken and what to fix.
6 rules the best-performing product pages follow
There are certain fields such as price, availability, and product name that are the minimum required for Google to consider your schema valid. Without these, your page is ineligible for rich snippets and Google Shopping regardless of everything else. Start here before adding optional fields.
Google recommends JSON-LD as the preferred structured data format. It lives in a script tag separate from your HTML content, so theme or layout changes are far less likely to break it. If you're using Microdata, migrate to JSON-LD when you next update your theme.
Google cross-references your structured data against the visible content on the page. If your schema shows a price that doesn't match the displayed price, Google may suppress the rich result or penalize the listing. Keep schema values in sync with rendered content at all times.
Star ratings in organic results can improve CTR by a significant margin, but they require aggregateRating markup to be present and correctly formatted. If your store collects product reviews, make sure the schema reflects them — including ratingValue and reviewCount.
Including GTIN, MPN, or Brand alongside your Product schema helps Google match your listing to its knowledge graph entries. This improves Shopping ad accuracy, reduces disapprovals for mismatched data, and strengthens eligibility for product knowledge panels in search.
This tool generates 3 optimized title variants per product. Use them to test different keyword orders, lead terms, or attribute emphasis. Click-through rates vary significantly between title variants — data-driven selection consistently outperforms guessing.
Why a dedicated e-commerce validator outperforms generic AI
ChatGPT can read schema markup if you paste it in, but it can't fetch a live page, run it against Schema.org specifications, or tell you whether your structured data meets Google Shopping's field requirements. It has no concept of rich snippet eligibility, AI readiness scoring, or severity-ranked issue lists. It's a general-purpose tool being asked to do a specialist job.
AdNabu's schema validator checks JSON-LD structured data against Schema.org standards.
100% free with no signup — get a 0–100 schema score, issue list, and fix recommendations for any page URL instantly.
Covers Google Shopping readiness, rich snippet eligibility, and AI search readiness in a single report.
For bulk optimization across your entire catalog, the AdNabu Shopify app handles thousands of products.
AdNabu helps 10,000+ Shopify merchants optimize product feeds, automate listings, and grow sales across Google Shopping, Meta, TikTok, and every major marketplace.
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