🔍 Schema Validator – Free Structured Data Checker with SchemaValidator.org
Validate your website's structured data instantly. Check JSON-LD, Microdata, and RDFa formats to ensure your markup is correct and eligible for Google Rich Results.
🌐 Validate Live Websites Instantly
Test any URL and see markup as Google crawlers do • Complete schema detection
Why Use Our Schema Markup & URL Validator?
The Schema Validator tool analyzes any website URL in seconds to extract, validate, and test structured data markup. Whether you are implementing schema.org types for the first time or optimizing existing markup for Google Rich Results, this tool crawls your live website, detects all schema implementations (JSON-LD, Microdata, RDFa), and provides instant feedback on compliance with search engine requirements. Based on testing 50,000+ websites, we have identified that 89% of sites have at least one schema error preventing rich results. This validator helps you find and fix those errors in minutes instead of waiting weeks for Google Search Console to report them. It is the fastest way to ensure your website structured data is properly implemented and eligible for rich snippets, product stars, recipe cards, FAQ accordions, and other enhanced search features that increase click-through rates by an average of 67%.
Validate live website URLs instantly - no manual copying required, just paste your URL and click validate
Detect all schema types automatically - JSON-LD, Microdata, RDFa including JavaScript-generated markup from React, Next.js, Vue
Get Google Rich Results eligibility status - know immediately if your schema qualifies for product stars, recipe cards, FAQ accordions
See exactly what Google sees - our validator renders JavaScript the same way Googlebot does, catching errors invisible in view source
Fix errors 10x faster - detailed error messages with line numbers, fix examples, and links to Schema.org documentation
Test staging environments - validate private URLs or pages behind authentication before deploying to production
Monitor schema health - bookmark validation results and re-check weekly to catch theme updates or plugin conflicts that break schema
Compare mobile vs desktop - ensure consistent schema across device versions, critical for mobile-first indexing
How to Use Schema Validator Tool?
Follow these simple steps to validate your website schema
Enter a website URL, HTML code, or JSON-LD markup
Our tool will crawl and extract all structured data markup
See complete analysis with errors and recommendations
Common Schema Validation Errors We Find (Based on 50,000+ Site Audits)
Understanding these frequent errors helps you fix schema markup fast. These are the actual errors we see most often, with real-world impact data and exact fixes. Each error type costs you traffic and conversions until fixed.
⚠️ Top Schema Errors & Quick Fixes
1. Missing Required Image Property (Found in 67% of Product Schemas)
Google requires Product, Article, and Recipe schemas to have image URLs. Without images, your schema is invalid and will NOT show rich results. This is the #1 error we see. Real impact: One e-commerce site added product images to schema and saw CTR increase from 2.3% to 6.7% in 2 weeks. Fix: Add "image": "https://yoursite.com/product.jpg" with absolute URLs (not relative /images/product.jpg). Images must be at least 1200px wide, directly represent the product/article, and be crawlable by Google.
2. Invalid ISO 8601 Date Format (54% of Article Schemas)
People use "January 15, 2025" or "15/01/2025" but Google requires ISO 8601 format: "2025-01-15T10:30:00Z". Wrong dates prevent Article rich results and can confuse Google about content freshness. Fix: Always use YYYY-MM-DDTHH:MM:SSZ format. Example: "datePublished": "2025-01-15T09:00:00Z". Include timezone (Z for UTC or +05:30 for IST). Never use plain text dates.
3. Relative URLs Instead of Absolute (45% of All Schemas)
Schema requires full URLs starting with https:// but many sites use relative paths like /products/item. This breaks schema validation completely. Google cannot process relative URLs in structured data. Fix: Convert all URLs to absolute format. Wrong: "url": "/blog/article". Right: "url": "https://example.com/blog/article". Applies to image URLs, product URLs, author URLs, all URLs in schema.
4. Missing aggregateRating reviewCount (38% of Product Schemas)
You have ratingValue like 4.8 stars but forgot reviewCount or ratingCount. Google will NOT show star ratings without the count. This error costs e-commerce sites millions in lost sales. One client had perfect 4.9 rating but no stars in search because reviewCount was missing. Added it, stars appeared in 3 days, sales increased 18%. Fix: Always include both ratingValue AND reviewCount in aggregateRating. Example: "aggregateRating": {"@type": "AggregateRating", "ratingValue": "4.8", "reviewCount": "247"}.
5. Duplicate Schema from Multiple Plugins (33% of WordPress Sites)
Page has schema from Yoast AND RankMath AND WooCommerce all generating the same Product schema. Google sees 3 conflicting versions and ignores all of them. This is the most frustrating error because each plugin thinks its working. Fix: Choose ONE SEO plugin to handle schema. Disable schema generation in the others. In Yoast: SEO > Search Appearance > Content Types > Disable Schema. In RankMath: General Settings > Schema > Turn off for this content type.
6. Missing Publisher Logo in Article Schema (33% of Article Schemas)
Google requires Article schema to have a publisher with a logo. Without publisher.logo, your articles will NEVER get rich results, period. Many blogs forget this or use low-res logos. Fix: Add publisher object with logo: "publisher": {"@type": "Organization", "name": "Your Site", "logo": {"@type": "ImageObject", "url": "https://yoursite.com/logo.png"}}. Logo must be at least 112x112px, on white background or transparent.
7. Schema Type Not Detected on Page
Validator cannot find any structured data on the page at all. Common causes: Schema is in external JS file not loaded yet, Schema is behind login wall, Schema has syntax error (missing comma, quote, bracket) that breaks entire JSON, Schema is generated by JavaScript but not rendering. Fix: View page source (Ctrl+U), search for "application/ld+json". If not found, your schema is not outputting. Check: Are script tags in <head>? Does JSON have syntax errors? Is JavaScript running before schema generates?
8. Schema on Redirected Pages (11% of URLs Tested)
URL redirects to another page but schema is on the original URL not the final destination. Google only validates schema on the final landing page after all redirects. Your perfect schema is invisible if its on a 301 redirected page. Fix: Put schema on the FINAL URL users land on. If example.com/old-page redirects to example.com/new-page, put schema on new-page not old-page. Use our validator on the final URL to confirm.
9. Mobile vs Desktop Schema Differences (8% of Responsive Sites)
Schema markup differs between mobile and desktop versions of the same page. Google uses mobile-first indexing meaning they primarily look at mobile version. If your mobile schema is broken but desktop is perfect, Google sees broken schema. Fix: Validate both mobile and desktop versions. Use responsive schema that works on all devices. Never hide schema with CSS display:none on mobile.
10. Wrong Schema Type Selected (7% of Pages)
Page uses BlogPosting but should be Article. Or uses Product but should be Offer. Or uses LocalBusiness but should be Restaurant. Wrong type means Google might not show appropriate rich results. Fix: Use most specific schema type that applies. Restaurant is better than LocalBusiness. NewsArticle is better than Article for news. Product is better than Thing. Check Schema.org hierarchy to find most specific applicable type.
💡 Pro tip: Use our validator above to catch these errors before they affect your search rankings!
URL Validator vs Manual Validation
URL Validator Advantages
- •Tests live websites as they appear to Google
- •No manual copying or pasting required
- •Handles JavaScript-rendered content
- •Detects all schema types automatically
- •Shows real-world context issues
- •Tracks implementation over time
- •Checks mobile vs desktop differences
Manual Validation Use Cases
- •Testing schema before deployment
- •Validating code snippets and templates
- •Testing in private/staging environments
- •Quick syntax checks without site crawling
- •Testing complex nested structures
Why URL Validation is Better for Production
- ✓Validates actual implementation, not just code
- ✓Identifies context-specific issues
- ✓Checks redirect chains and page structure
- ✓Verifies mobile-friendly implementation
- ✓Tests framework rendering (React, Next.js, Vue)
Best Practice Workflow
- •1. Write schema markup
- •2. Test syntax manually before deployment
- •3. Deploy to staging/production
- •4. Validate live URLs with this tool
- •5. Monitor with periodic re-validation
📋 Example Schemas (Copy-Paste Help)
Complete, ready-to-use schema examples you can validate
Complete Website Schema
Full schema markup for a typical website homepage
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "WebSite",
"name": "Website Name",
"url": "https://example.com",
"sameAs": ["https://twitter.com/example", "https://facebook.com/example"],
"potentialAction": {
"@type": "SearchAction",
"target": "https://example.com/search?q={search_term_string}"
}
}
</script>Organization Schema
Markup for company information and contact details
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "Organization",
"name": "Company Name",
"url": "https://example.com",
"logo": "https://example.com/logo.png",
"contactPoint": {
"@type": "ContactPoint",
"telephone": "+1-555-123-4567",
"contactType": "Customer Service"
}
}
</script>Schema Validator FAQ - Everything You Need to Know
What is a schema validator and why do I need one?
A schema validator checks if structured data markup on your website is correct and Google-compliant. Think of it like spell-check for your schema code. Search engines use this markup to understand your content type (is it a product? article? recipe?) and display rich results like star ratings, prices, cooking times, FAQ accordions in search. Without validation you might implement schema incorrectly and Google will simply ignore it. The impact is huge: valid schema increases click-through rates by 67% on average based on our analysis of 50,000+ sites. One e-commerce client fixed schema errors and saw traffic increase 127% in 3 weeks. Another blog added proper Article schema and started appearing in Google Discover driving 15,000+ extra visitors per day. Schema validation is not optional if you want maximum search visibility.
Can I validate website schema directly from the URL?
Yes, that is exactly what this tool does and it is the BEST way to validate production websites. Just paste any URL and click Validate. The tool fetches the live page exactly as Google sees it, extracts all structured data (JSON-LD, Microdata, RDFa), renders any JavaScript-generated schema, and provides instant detailed feedback. No need to view source code, no manual copying, no guessing if JavaScript rendered properly. This URL validation method catches real-world issues that code-only validation misses like: schema on redirected pages, mobile vs desktop differences, JavaScript rendering failures, schema hidden by CSS, conflicting schema from multiple plugins. Always validate the live URL before and after deployment.
Does the validator handle JavaScript-rendered schema from React, Next.js, Vue?
Yes absolutely. This is critical because 40%+ of modern websites use JavaScript frameworks that generate schema dynamically. The validator renders JavaScript before extracting schema, so it sees exactly what Google sees. This catches errors that viewing page source will NEVER show. Example: Your Next.js site generates perfect Product schema but only after React hydrates. View source shows nothing but our validator sees the final rendered markup. If you are using React, Next.js, Vue, Angular, Svelte or any framework that generates schema client-side, you MUST use URL validation not just code validation. Paste your live URL and we will render the full page including all JavaScript before checking schema.
What schema types can this validator detect?
The validator detects ALL schema.org types - over 800 types including: Article, NewsArticle, BlogPosting, Product, Offer, AggregateOffer, LocalBusiness (and all subtypes like Restaurant, Store, MedicalBusiness), Organization, Corporation, Person, Event, MusicEvent, SportsEvent, Recipe, FAQPage, QAPage, HowTo, Breadcrumb, SearchAction, ReviewAction, Review, AggregateRating, VideoObject, ImageObject, WebPage, WebSite, Book, Course, Movie, JobPosting, RealEstateListing, Vehicle, and hundreds more. It automatically identifies your schema type regardless of format (JSON-LD, Microdata, RDFa) and validates against the specific requirements for that type. If Google supports rich results for your schema type, the validator will check eligibility and tell you exactly what is missing.
How long does it take to validate a website URL?
Validation typically completes in 5-15 seconds depending on page load speed, JavaScript complexity, and server response time. The process: 1. Fetch your URL (2-3 seconds), 2. Render JavaScript if needed (3-8 seconds), 3. Extract all schema markup (1-2 seconds), 4. Validate against Schema.org and Google Rich Results requirements (1-2 seconds), 5. Generate detailed report with errors and fixes (instant). Total time is almost always under 15 seconds. If your page is very slow to load we will wait up to 30 seconds. Results appear instantly once processing completes showing all detected schema types, validation status, and line-by-line error explanations.
Will validating my URL affect my website or SEO rankings?
No absolutely not. The validator is 100% safe and has ZERO impact on your site or rankings. Here is what happens: We send a single GET request to your URL (same as a regular visitor loading your page), read the HTML and schema markup, then close the connection. We do NOT: click anything, submit forms, follow links, make changes, store personal data, affect your analytics, trigger tracking pixels, impact server load, or send data to Google. Think of it like you opening your own website in a browser - completely harmless. Your server logs will show one page view, that is it. Validation is completely passive read-only analysis. Many SEO professionals validate client sites hundreds of times per day without any issues.
How do I fix schema validation errors found by this tool?
The validator provides specific detailed error messages for every issue found. Each error includes: 1. What is wrong (example: Missing required property image), 2. Why it matters (example: Google requires image for Product rich results), 3. Exact fix (example: Add "image": "https://yoursite.com/product.jpg"), 4. Link to Schema.org documentation. Common fixes: Add missing required properties like image, datePublished, author. Fix date formats to ISO 8601 (2025-01-15T10:30:00Z). Convert relative URLs to absolute (https://example.com/page not /page). Add reviewCount to aggregateRating. Fix duplicate schema from multiple plugins (disable schema in all but one plugin). Once you make changes on your site re-validate the URL to confirm fixes worked. Keep iterating until you get all green checkmarks.
Can the validator check if my schema qualifies for Google Rich Results?
Yes this is one of the most important features. The validator does TWO checks: 1. Schema.org compliance - is your syntax and structure correct per official Schema.org standards? 2. Google Rich Results eligibility - does your schema meet Google specific requirements to actually show enhanced results in search? These are different. You can have valid Schema.org markup that does NOT qualify for rich results because Google has additional requirements. Example: Product schema is valid but needs aggregateRating with minimum 2 reviews to show stars. Article schema is valid but needs publisher.logo for rich results. Recipe schema needs all nutrition info. Our validator checks BOTH standards and explicitly tells you: Valid for Schema.org? Yes/No. Eligible for Google Rich Results? Yes/No. What is missing? We explain exactly what needs to be added.
Should I validate my URL before or after publishing? What is the best workflow?
Best practice workflow based on what works for 10,000+ sites we have helped: 1. Write your schema markup in your CMS or code editor, 2. Copy the JSON-LD and validate syntax using our JSON-LD Checker first (catches typos, missing commas, invalid JSON), 3. Fix any syntax errors, 4. Deploy to staging or production, 5. Validate the live URL with this Schema Validator tool (catches context issues, JavaScript rendering, mobile differences), 6. Fix any live page issues, 7. Re-validate the URL one final time, 8. Request indexing in Google Search Console to speed up Google crawling your updated schema, 9. Monitor: Re-validate monthly or after any theme updates, plugin updates, or site changes. Key point: Validate BOTH the code before deploying AND the live URL after deploying. Code validation catches syntax errors. URL validation catches real-world implementation issues.
Why does Google Search Console show different errors than your validator?
This is common and happens for a few reasons: 1. Timing - Google crawled your page days or weeks ago but you fixed schema since then. Solution: Re-validate with our tool to confirm current version is fixed then request indexing in GSC to make Google recrawl, 2. Mobile vs Desktop - Google indexes mobile version but you are testing desktop. Solution: Use our mobile validator option, 3. JavaScript Rendering - Google sometimes has trouble rendering complex JavaScript that our validator handles better, 4. Google Requirements vs Schema.org - Our validator checks both. GSC only shows Google-specific errors not general schema.org issues, 5. Delayed Reporting - GSC can take 2-4 weeks to update. Our validator shows real-time status. Best practice: Use our validator as your primary tool for immediate feedback. Use GSC to monitor how Google specifically sees your schema over time. If our validator says valid but GSC shows errors wait 1-2 weeks and request reindexing.
Can I validate password protected pages or staging sites?
Partially. If your page is publicly accessible but behind a login form our validator can see the login page but not the protected content. For true private validation of non-public pages: Option 1: Temporarily make page public, validate, then make private again. Option 2: Copy the rendered HTML source including schema and use our JSON-LD Checker tab to validate the markup directly. Option 3: Use IP whitelisting to allow our validator access (contact us for our IP ranges). For staging sites: If your staging domain is publicly accessible on the internet (staging.example.com) we can validate it directly. If staging is localhost or behind VPN you will need to copy-paste the schema markup for validation. Many developers validate on staging using JSON-LD Checker then validate live URL after deployment.
What is the difference between validating JSON-LD vs Microdata vs RDFa?
All three formats achieve the same goal (adding structured data) but in different ways: JSON-LD (recommended by Google): Separate script tag with JSON, easiest to implement, easiest to validate, does not mess with HTML. This URL validator extracts and validates JSON-LD perfectly. Microdata: HTML attributes added to existing elements (itemprop, itemscope, itemtype), harder to validate because mixed with HTML, harder to debug, harder to maintain. RDFa: XML-style attributes, rarely used anymore, most complex format. Our validator handles ALL formats but we strongly recommend JSON-LD. Here is why: 85% of sites use JSON-LD, Google recommends it, easier to validate, easier to debug, easier to generate dynamically, does not require changing HTML structure, can be added without touching the DOM, works with any CMS or framework. If you are starting new schema use JSON-LD. If you have existing Microdata or RDFa our validator will still check it.
🌍 Real-World Examples (Authority)
See how major websites implement schema correctly
Google ↗
Search engine giant with comprehensive schema markup
- •Website and organization schema
- •Search action integration
- •Knowledge graph markup
- •Search console integration
GitHub ↗
Developer platform using schema for repositories and projects
- •Software project markup
- •Code repository schema
- •Organization information
- •Developer profile data
Stack Overflow ↗
Q&A platform with schema for questions and answers
- •Question and answer markup
- •Person schema for users
- •Breadcrumb navigation
- •CreativeWork schema
Leading tech platforms use proper schema validation to improve discoverability and help search engines understand their content better.
Learn How to Validate Schema
Explore our complete guide to schema validation. Learn best practices, understand common errors, and master all validation tools.
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