Free Schema Markup Checker: Find and Fix Structured Data Issues
Enter any URL and get a full report on your structured data in seconds, including missing schema types, errors, and clear recommendations to fix them.
Free with a Brainito account. No credit card required.
example.com/services
ExampleSchema Markup Checker: 3 fixes found
- Title tag58 characters
- Meta descriptionMissing
- H11 found
- Image alt text4 images missing
Example result with sample data. Yours uses live data for your inputs.
How it works
From your input to a prioritised list of fixes in under a minute.
- Step 1
Enter your details
Your website, business or the item you want checked. Nothing to install.
- Step 2
We run live checks
Brainito fetches live data and tests it against the rules that matter.
- Step 3
Fix what matters first
Clear results with what to fix, in order of impact, and where to go next.
What you get
What the result tells you, and why it is worth the minute it takes.
Catch Broken Structured Data
Find missing, invalid, or incomplete schema markup on any page before it costs you rich results in Google search.
Clear Fix Recommendations
Every issue comes with a plain-language recommendation, so you know exactly what to change and why it matters for SEO.
Win More Rich Results
Valid schema helps Google show stars, FAQs, and product details with your listing, lifting clicks without new content.
The guide
What the schema markup checker does, how to use it, and what to do with the result.
A schema markup checker tests the structured data on your pages and shows how search engines read it. It detects your JSON-LD, Microdata, or RDFa markup, identifies the schema types in use, and reports any errors or missing required fields. This free tool helps you confirm that your product, article, FAQ, and other structured data is valid, so pages stay eligible for the rich results that make them stand out.
What the schema markup checker detects
The checker scans your page for structured data and identifies every schema type it finds, whether the markup is written in JSON-LD, Microdata, or RDFa. It lists the entities present, such as Product, Article, Organization, Recipe, or FAQPage, and reads the properties inside each one. It then compares your markup against the expected schema, flagging required properties that are missing, values in the wrong format, and types that do not fit the content. Many checkers also note which types are eligible for rich results in Google. The output gives you a clear inventory of your structured data and a list of issues, so you can see at a glance what is valid and what needs work.
How to fix structured data errors
Start with errors marked as required, since a missing mandatory property can make a whole schema type invalid and block rich results. Add the field, using the exact property name and format the schema expects, for example a proper date or a numeric price with a currency. Fix warnings next, which flag recommended fields that strengthen your markup without being strictly required. Make sure the structured data matches what visitors actually see on the page, because mismatched or hidden markup can trigger a manual penalty. Prefer JSON-LD, the format Google recommends, and keep one clean block per entity. After editing, re-run the checker and validate again until the errors clear.
Why schema markup improves search visibility
Schema markup gives search engines explicit context about your content, turning plain text into data they can understand and display. Valid markup makes pages eligible for rich results such as star ratings, FAQs, product prices, and event details, which take up more space and draw the eye in search. Those richer listings often lift click-through rate even when the ranking position stays the same. Broken structured data forfeits that advantage and can leave your listings looking plain next to competitors. As search engines and AI answer tools lean more on structured data to pull facts, clean markup also helps your content get quoted accurately. Checking it protects both your rich results and your credibility.
Frequently asked questions
Something else? Email support@brainito.com
What does the Schema Markup Checker actually check?
It scans the URL you enter for structured data such as JSON-LD, Organization, Article, Product, and FAQ markup. It then flags missing schema types, invalid properties, and gaps, with recommendations to fix each one.
Why does schema markup matter for SEO in 2026?
Schema helps search engines understand your content and makes your pages eligible for rich results like star ratings, FAQs, and pricing. Those enhanced listings stand out in search and typically earn more clicks than plain blue links.
Is the Schema Markup Checker really free to use?
Yes. Create a free Brainito account and you can run schema checks on any page at no cost. There is no credit card required, and you can re-run checks after making fixes to confirm your structured data is valid.
Where to go from here
The schema markup checker answers one question. These are the next ones worth asking.
Create your free Brainito account and check your schema markup now
One account unlocks the schema markup checker plus 320+ marketing tools, weekly audits and your action plan.
- Free with a Brainito account
- No credit card required