Top 10 Structured Data Testing and Validation Tools for SEO

List of the Best Structured Data Testing Tools for Structured Data Validation:

Structured data in the context of a website design which refers to a schematic plan that helps search engine bots understand a page’s content. The information is also used to display special search result enhancements such as ratings and reviews to appear alongside the search results.

Programmers often code structured data using a markup tool. The code is embedded directly onto the page. Most of the structured data is coded using vocabulary. Other structured data formats include JSON-LD, RDFa, Schema, and microdata.

The codes should be tested for errors using a structured data testing tool before deployment.

In this article, you will learn what is structured data testing, how it’s used, and why it’s important, etc. You will also find out about the top ten structured data testing tools that you can use to check the code.


What is Structured Data Testing?

Structured data testing involves using a data testing tool to monitor your page’s health. The tool can help in identifying and resolving issues with structured data. In other words, the testing tools validate structured data and snippets.

The structured data testing tools can test the structured data as it is being deployed. These tools provide insights about the page’s data that is visible to search engines. You can find a lot of information as shown below using the structured data testing tool:

  • What is the format of the page’s structured data?
  • Are there any errors in the structured data?
  • What are the details of any issues with the structured data?

These tools can also detect permalink setup and show information based on the structure. Some of the tools can detect taxonomies and custom post types by looking at the code. Others can also validate the metadata formats that are supported by Google, Bing, Yahoo Search, and other search engines.

What’s the Use of Structured Data Testing Tool? Why is it Important?

Structured data testing tool is of critical importance. Even one issue with structured data can prevent Google from reading the markup. The warning can relate to missing code or wrong code in the markup. In some cases, a warning is flagged when a specific field is not been filled out.

It will help you to identify and resolve critical issues with the site’s schema markup. The tools make it easy for you to detect errors that are not visible on plain inspection.

Testing the structured data with different tools is a recommended practice for successful implementation of your site. This will help you to detect and resolve all types of errors in the site’s schema.

How Structured Data Helps in SEO?

Structured data testing makes sense as it’s important for search engine optimization (SEO). An optimized structured data will help in increased visibility of a site on the results page of a search engine.

One study had found that websites with structured data code rank four positions higher on average.

Another study carried out by SearchEngineJournal has analyzed the impact of structured data on the website. By adding local listings schema, the click-through-rates had increased by 43 percent. Moreover, the impressions had increased by 1 percent and the average ranking of the site by 12 percent.

With structured data, you can direct the search engines to provide information beyond title and description. The structured data code can provide information to the search engine about the average rating of the site, pricing information, product features, and much more.

This information can increase the click-through rate (CTR) of the site reduced bounce rate. These two factors are important ranking factors in the search engine.

As the heart of SEO is making it easier for search engines to understand your site. This can be achieved through structured data.

How Structured Data is Used?

Structured data is a piece of markup code that represents a webpage. You can use structured data code to display a logo, contact information, event, or other information on the search result page. This can improve the visibility and click-ability of your site.

A structured data markup is created on every page. The code gives search engines contextual data regarding the website and its structure. The code can be used to enhance the appearance of your website on the search result page.

Structured data can be used to add different information. For instance, the following JSON code will prominently display the logo and contact information of your site in the search results page.

JSON code to display the logo etc

In addition, including the following sample code will let you display links to your social media sites in the search results page.

display links to your social media sites

All types of businesses can benefit from the use of structured data tool. Businesses that sell products online can particularly benefit from structured data.

For instance, a manufacturing site can display product, sizes, part number, reviews, and descriptions on the search results page. This, in turn, will help prospective customers to quickly home in on the right product.

The structured data codes above may seem intimidating. But you don’t need any coding experience to generate the codes. The code can be created easily using a free markup generator such as Google Structured Data Markup Helper.

In order to test the code for any errors, you need a tool called structured data testing tool.

Pro Tip for Selecting the Best Structured Data Testing Tool: To select the right structured data testing tool, you should test all the structured data testing tools. Just open the testing app, paste the code and inspect the markup element. This will allow you to know which serves your requirements the best.

In order to help you in selecting the appropriate structured data testing tool, we have compiled a list of 10 best testing tools for your website here.


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Top Structured Data Testing Tools

Enlisted below are the Top Structured Data Testing Tools that are available in the market.

Structured Data Test Tools Comparison

Structured Data Testing Tool Best ForPriceFeaturesUsage Complexity Level
Google’s Structured Data Testing ToolValidating JSON-LD, Microdata, and RDFa structured data formatsFreeValidates common structured data Test by pasting URL or code snippetEasy
SEO Site CheckupValidating HTML structured data Website SEO analysis and monitoring$39.95Tests structured data Analyze the site’s SEO performance Comprehensive analytics reportMedium
RDF TranslatorRDFa, RDF, XML, N3, N-Triples, JSON-LD structured data formats.FreeSupports a wide range of structured data format Test by pasting URL or code snippetEasy
JSON-LD PlaygroundValidating JSON-LD structured data formatFreeComprehensive analysis of JSON-LD 1.0 and 1.1 formats Different output formatting – Expanded, Compact, Table, Visualized, FramedHard
Structured Data LinterValidating RDFa, JSON-LD, and microdatastructured data formatsFreePresents a visual preview of code Vocabulary test for, Facebook's Open Graph, SIOC, and Data-Vocabulary.orgEasy

#1) Google’s Structured Data Testing Tool

Best for Validating JSON-LD, Microdata, and RDFa structured data formats.

Google’s Structured Data Testing Tool

Google’s Structured Data Testing tool is a simple, no-fuss data testing tool. You can paste your website’s URL or the code snippet. The tool will check the structured data code and flag errors. The tool can help you validate whether the structured data code is in the right format or not.

You can also check different fields of structured data such as organization name, type, URL, and other information. Google supports recommend checking your site with this tool during the development of your site. It’s essential that you use the tool before deployment of your site.

Price: Free.

Website: Google’s Structured Data Testing Tool

#2) Yandex Structured Data Validator

Best for Validating Open Graph, RDFa, microdata, microformats,

Yandex Structured Data Validator

Yandex structured data validator is another free structured data testing tool. Similar to Google’s Structured Data Testing Tool, you can check the markup of your site. The tool will check whether the search engine crawlers will be able to extract the information mentioned in the structured data or not.

The structured data validation tool will inspect all the common formats including OpenGraph, microdata, RDF, and The tool is particularly helpful for ensuring that the standard data code appears correctly in the search engine, which is currently the most popular search engine in Russia.

Price: Free.

Website: Yandex Structured Data Validator

#3) Chrome Extension: Structured Data Testing Tool

Best for Validating JSON-LD, Microdata, and RDFa structured data formats

Chrome Extension Structured Data Testing Tool

Structured data testing tool chrome extension is another great tool to validate your site. You should use this tool if you use the Chrome internet browser.

The extension is not a standalone application. Instead, the app uses the Google Structured Data Testing Tool to validate the markup. It checks all the formats that are supported by Google’s validation tool.

You can also view the structured data inside Google’s Structured Data Tool. The warnings and errors will be displayed in orange and red, respectively.

The tool can also access websites that are in a development or staging environment. The extension will validate rich snippets and structured data of a website. This tool can check the code on a different medium including online, intranet, and behind a password protected the page.

Price: Free.

Website: Chrome extension: Structured Data Testing Tool

#4) SEO SiteCheckup

Best for: Validating HTML structured data, website SEO analysis, and monitoring.

SEO SiteCheckup

SEO SiteCheckup is a comprehensive website analysis tools. It consists of over a dozen tools including the Structured Data testing tool. You can paste the URL of the site and click Checkup to validate the structured data.

The tool will check whether the structured data meets HTML microdata specifications or not. You can register for a 14-day free trial by entering the payment details.

Apart from checking the schema usage, the tool will check your website for SEO issues such as page load speed, URL redirects, nested tables, broken links, mobile responsiveness, and much more. It serves as a one-window solution for optimizing your site for search engine ranking.

Price: $39.95

Website: SEO SiteCheckup Structured Data Test

#5) Bing Markup Validator

Best for Validation of Schema, RDFa, microdata, JSON-LD, OpenGraph.

Bing Markup Validator

Bing Markup Validator is a part of the Bing Webmaster tools. You can access the tool by clicking on Diagnosing and Tools in the search page. The tool lets you validate the different types of structured data including RDFa, JSON-LD, OpenGraph, and microformats.

You can use the validation tool for free. However, you need to login and add your site to validate the structured data code. A drawback of the tool is that it won’t allow you to validate the HTML structured data.

Price: Free.

Website: Bing Markup Validator

#6) Google Email Markup Tester

Best for: Validating structured data markup to an HTML email.

Google Email Markup Tester

Google Email Markup Tester will verify whether the structured data extracted from email documents meet the standard specification or not.

You can use this tool for free. In order to check the structured data, you have to paste the markup code in the text box and then click on Validate. The tool will display the extracted structured data along with the properties for every entity. The tool will also display a specific error message if the input is not valid.

Price: Free.

Website: Google Email Markup Tester

#7) RDF Translator

Best for: Validating RDFa, RDF, XML, N3, N-Triples, JSON-LD structured data format.

RDF Translator

RDF Translator will validate limited types of structured data format. You can use this free tool to validate a large range of structured data format.

The tool is particularly useful for validating XML, N3, and N-Triples structured data format as they are not supported by many free validation tools.

In order to check the code, you can paste the address of your site or the structured data code. The tool also comes with REST API thereby allowing developers to incorporate the tool to their website.

Price: Free.

Website: RDF Translator

#8) JSON-LD Playground

Best for: Validating JSON-LD structured data format.

JSON-LD Playground

JSON-LD is best for validating JSON-LD structured data format. The tool lets you carry on a comprehensive analysis of the code.

Just enter the markup code starting with <script type=’application/ld+json‘> or URL of the remote document, and the site will display a detailed report. The tool helps the website owners to check whether the syntax conforms to the requirement.

Price: Free.

Website: JSON-LD Playground

#9) Structured Data Linter

Best for Validating RDFa, JSON-LD, and microdata.

Structured Data Linter

Structured Data Linter can help to verify the structured data present in web pages and show enhanced search results. You can check the structured data by pasting the URL, code, or uploading a file.

The tool can provide snippet visualization and also limited vocabulary validations. At the moment, this free validation tool does not support microformats.

Price: Free.

Website: Structured Data Linter

#10) Microdata Tool

Best for: Validation of HTML5 microdata.

Microdata Tool

Microdata Tool can validate HTML5 microdata structured data. The tool is a jQuery drop-in script that you can include on your website. It is a useful browser validator tool which can be used without any internet connection or web server.

Price: Free

Website: Microdata Tool


Here we have reviewed the top Structured Data Testing Tools that are available in the market. The purpose of this article was to introduce you to structured data testing tools. The tools listed here are suitable for both individual programmers and large programming firms.

Google’s Structured Data Testing tool is the best free structured data testing tool that can validate basic markup formats. If you want a more robust tool that supports a large range of formats, you should go for RDF translator.

JSON-LD Playground and Structured Data Linter are also free structured data validation tools that support deep analysis of the markup data.

Webmasters who want a comprehensive tool to analyses SEO statistics including structured data markup should consider the paid SEO Site Checkup tool.


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