Technical SEO

How to Check Your Website Schema Easily

Learn how to use a schema markup checker to verify and improve your website's structured data, enhancing search engine understanding and potentially boosting your SEO.

Updated 18 October 2026  ·  4 min read
How to Check Your Website Schema Easily

Introduction to Schema Markup

Schema markup is a form of structured data that helps search engines better understand the content on your website. It can improve the way your pages appear in search results by enabling rich snippets, which can increase click-through rates. For small business owners, implementing and verifying schema markup is a practical step towards enhancing your online presence.

Why Use a Schema Markup Checker?

Once you have added schema markup to your website, it is important to check that it is implemented correctly. Errors in schema can prevent search engines from reading your data properly, which might negatively affect your search listings. A schema markup checker is a tool that scans your pages and highlights any issues or missing elements in your structured data.

Step-by-Step Guide to Checking Your Website Schema

Step 1: Choose a Reliable Schema Markup Checker

There are several tools available online, but for a simple and thorough check, you can use the free SEO Scan Lab schema markup checker. This tool allows you to enter your website URL and quickly see if your schema is valid.

Step 2: Prepare Your Website URL

Decide which page you want to check. Usually, your homepage or key landing pages with important content are good starting points. Make sure the page is live and accessible to the public.

Step 3: Run the Schema Markup Checker

Go to the SEO Scan Lab schema checker page. Enter your website URL into the input box and submit the form. The tool will scan your page and return a report detailing any schema types found, errors, warnings, and suggestions.

Step 4: Understand the Report

The report typically includes:

  • Detected Schema Types: Lists what structured data formats are present, such as Local Business, Product, Breadcrumb, or Article.
  • Errors: Critical problems that need fixing to ensure schema works correctly.
  • Warnings: Less critical issues that might affect how fully your schema is interpreted.
  • Suggestions: Recommendations to enhance your schema markup.

For example, if you run the checker on your contact page and see an error indicating a missing telephone number in the Local Business schema, you will know to add that detail.

Step 5: Fix Any Issues

Based on the report, make necessary updates to your schema markup. This might involve editing your website’s HTML to include missing fields or correcting syntax errors. If you use a content management system like WordPress, you may be able to update schema through plugins or theme settings.

Step 6: Recheck After Fixes

After making changes, run the schema markup checker again to confirm that errors are resolved. Repeating this process helps ensure your structured data is clean and effective.

Examples of Common Schema Types for Small Businesses

Understanding which schema types to use can guide your implementation:

  • LocalBusiness: Provides details such as name, address, phone, opening hours. Essential for physical stores.
  • Product: Highlights product details like price, availability, and reviews.
  • Breadcrumb: Shows navigation hierarchy, improving site structure in search results.
  • Review: Displays customer ratings and testimonials.

Adding these schemas correctly can make your business stand out in search engines.

Tips for Maintaining Good Schema Markup

  • Regularly check key pages after updates or redesigns.
  • Keep schema data consistent with visible page content to avoid penalties.
  • Use simple JSON-LD format, which is Google’s preferred method.
  • Monitor Google Search Console for structured data reports and warnings.

Frequently Asked Questions

What is the difference between a schema markup checker and Google’s Rich Results Test?

While both tools check structured data, a schema markup checker like SEO Scan Lab’s focuses on identifying schema types and errors on a page. Google’s Rich Results Test shows if your page is eligible for rich snippets specifically in Google search results. Using both can provide a comprehensive overview.

Can schema markup improve my website ranking?

Schema markup itself does not directly boost rankings, but it helps search engines understand your content better and can lead to enhanced search listings. Enhanced listings often attract more clicks, indirectly benefiting your SEO performance.

Is it necessary to check schema markup on every page?

It is best to prioritise important pages such as your homepage, product pages, and contact page. Checking every page can be time-consuming but is useful if your site has many rich content elements.

How often should I check my schema markup?

Check your schema markup whenever you update your website or add new content. Regular checks every few months help ensure your structured data remains accurate.

What if I am not comfortable editing schema code myself?

Many website builders and CMS platforms offer plugins or modules that handle schema markup automatically. Alternatively, consider consulting a web developer or SEO professional for assistance.

Conclusion

Using a schema markup checker is an essential part of maintaining your website’s technical SEO. By regularly verifying and fixing your structured data, you increase the chances that search engines will display your site attractively in search results. Try the free SEO Scan Lab schema markup checker today and see how your website performs. For a more thorough analysis, consider running a full SEO Scan Lab scan to uncover additional opportunities for optimisation.

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