Importance and Use of W3C Validation CSS for your Business Website


9 Apr, 2024



W3C stands for World Wide Web Consortium. It is recognized as a global web standards body that helps in improving the web services so that you can run your websites smoothly.
Along with this, W3C has created more than 90+ standards, which are also called “recommendations,” that have passed through its meticulous process of review, formulation and implementation. 
W3C standards are used to direct the creation of code that lives up to those standards via web developers and browsers. They help you to write the rule-book in a nutshell, which assists you to determine whether our code is well-written or poorly written.
What do you mean by Validation? It is one of the utmost factors in influencing the quality of web design. It allows the user to check HTML and XHTML documents/files with the defined W3c standards.

What is W3C Validation?

W3C validation means it is an international firm committed to improving the web. It is made up of various hundreds of member organizations from different IT sectors to work on various web issues.

It is similar to that of checking the English sentences in accordance with the grammar rules of the language in which it is written. Similarly, it is the case with computer programming where there are a set of rules which are to be followed during every web designing.

Despite this, W3C validation ensures the following things, such as:

  • Your website would be easily surfed by different types of Internet accessible devices including the smartphones and ipads.
  • W3C validation reduces the code size on your web pages and adds value to your web content.
  • Reducing the code size helps your website load faster on a wide range of browsers.
  • W3C compliance is fully compatible with an array of scripting languages, dynamic pages, multimedia presentations, and much more.

Now let’s see all the factors that play an important role in the W3C validation step by step:

How does W3C Validation work for Search Engine Optimization (SEO)?

Generally, the W3C validation service is beneficial for SEO. Validating your website is important because there can be code errors that can cause issues in styling the website. These types of errors generally do not allow Googlebot to leave.
Usually, W3C validation would naturally be seen as something advantageous for SEO. Validating your website is necessary because there are code errors that can cause some serious styling issues from a web design perspective. These are the different types of errors that also cause a Googlebot not to furnish. 

In other words, you should focus on the type of errors and how many errors you can detect. Most SEO professionals agree that W3C validating service does matter when it comes to SEO, but only for errors that cause bad rendering.

How to Check w3c validation code?

 w3c validation code

There are two w3c validation checker tools:    

  • W3C Validation HTML: This w3c validation checker tool allows you to check the markup and validate your web documents via HTML, SMIL, MathML, and XHTML files by uploading the file.
  • W3C Validation CSS: This w3c validation checker tool allows you to validate your CSS by uploading the CSS file. Also, there are plenty of browser extensions that will test the page you're viewing against the W3C validators.

Moreover, HTML Tidy is one of the other options for validating pages, though it may not offer the exact same outcomes as the W3C validator. But one advantage of using HTML Tidy is that you can check your pages directly in the browser without visiting one of the validator’s sites.

The importance of W3C validation is to get rid of unnoticeable bugs and coding errors that cannot be detected. This motivates the designer to integrate new styles and templates into the website. These two w3c validation code checkers help you solve “How to fix w3c validation errors?”

Quick Tips To Using W3C Tool That you should Consider:

  • Enter your website’s URL in the available address box and click on the check button to see the outcome. 
  • Further, you will see the list of existing HTML errors.
  • You can directly upload your file to the W3C tool to see the outcomes.
  • You can also choose the direct validation option of putting all markups of your file in the given box. 

Click on the CHECK to get the desired results.

Why is W3C Validation Important for a Website?

importance of validation

W3C validation is basically used to check the errors occurring in website code. If you fail to validate any page on your website based on W3C standards then your website is likely to suffer from traffic and will result in poor readability. 

  • Help to improve Ranking in Search Engines

W3C validation helps your website to get a better rank in the search engine. Errors and bugs in your website and coding can affect the performance and ranking of your website, search engine when searching your website to check all the HTML and XHTML codes. If a search engine finds any error i.e. invalid HTML or XHTML code that does not follow any W3C rules, then your website will not be indexed by the search engine. If there is an error on your web page then the robot will stop searching your entire website.

Below are some reasons that Google Advises to Validate HTML

Validate HTML

  • Affect Crawl Rate: According to Google Search Console, if there is a drop or fall in crawling and indexing then it will result in invalid HTML. If your website is having broken or invalid content on your website page then it will not be able to crawl them.
  • Impact Browser Compatibility: Another reason that google advises to validate HTML is that Google helps the use of valid HTML code to ensure proper rendering of a web page. Googlebot renders your website as a web browser, so if there is proper validation of HTML your website will render across all browsers very smoothly.
  • Provide Good User Experience: Google takes user experience as the main factor in ranking the website. That’s why if your website is mobile-friendly then it will make a positive user experience and will affect your website ranking. If your website has a valid HTML it will indirectly affect the user experience and will create a positive impact on user experience because your website will render more quickly.
  • Ensure that Pages Function Everywhere: If your website is having improper HTML code then it acts bizarrely. This means that the browser is making a change on how your website is rendering. Generally, the website renders smoothly but sometimes it works incorrectly.
  • Useful in Google Shopping Ads: Google Merchant Centre is a tool developed for Google Shopping Ads. Google Merchant Centre suggests using valid HTML codes.

The Merchant Centre detects the price that you are displaying based on the structure of your landing page. If you are using proper and correct HTML code then it will detect the correct price of the product.

  • Validation can be used as a Debugging Tool

Validation tells you where the errors in your code are. If your website is displaying any error or is not responding then a validator will figure out where you are facing the problem and what is the cause of the error. Keep in mind that an invalid code might look fine in your document but may show an error on another browser. This is because of the wrong code provided by you.

  • Ensure that your Website is Multiple-Browser Compatible

If you want to introduce multiple-browser compatibility to your website then you should use valid HTML codes. It has been observed that if a website is not validated properly then it becomes difficult to access the website on various browsers which will affect the accessibility among the audience. But if your website is properly validated then it will open seamlessly on any browser without any error?

  • Promotes Ethical Programming Practice

If you are using validation properly and correctly, then you can get used to ethical programming practice. If you practice and promote ethical programming then you are able to create error-free codes and feasible web solutions, which will help you in designing an attractive website.

  • Easy to Maintain and Code

A website that follows proper validation rules using W3C is formatted well and you are able to edit easily and it becomes easy for a designer to add a new page to the website. What are Important Factors for a Successful Ecommerce Business.
You can now easily contact our professional team to know everything about “How to get w3c validation certificate?”

Now let’s discuss the advantages of W3C Validation:

advantages of W3C Validation

  • Web-Traffic: It is important for you to know that Google or any search engine gives you more traffic if your website has valid code than to those who do not have valid HTML code. If your website does not have proper valid code, it becomes a bit difficult for the audience to read the site and you might lose your potential traffic.
  • Professionalism: Your website is an extension of your brand. So, you should always make sure that your website is validated properly which will attract the audience and increase your website traffic.
  • Faster Loading: If you remove unnecessary code it will help to create smaller or fewer pages which will help your website to load more quickly. Fast loading allows a better user experience which will help in increasing the website traffic and will increase website ranking.

Best Provider Of HTML Markup Validation Service

Are you planning to get your website W3C validation CSS or HTML? Are you confused about whom to approach? Or What is the right choice for the W3C validation HTML or CSS service? 

Well, Don’t you worry, here we have the right answer and suggestions for you!

For enjoying W3C validating service in the right way you should prefer JanBask Digital Design as it is a reliable mainstay that provides all HTML-specific services to all its users. Moreover, the skilled developers employed possess decades of experience in creating dynamic HTML/CSS markups worldwide.

Being professionals we use advanced technologies that help webmasters to create pixel-perfect HTML markups to serve you with the best and improved user experience.

We, at JanBask, strive to deliver note-worthy W3C valid HTML markups creating exclusive web solutions at an affordable price.


Keep in mind that every website should meet W3C standards if it is possible for them. It is not the only correct way to enhance the appearance of the website, but it has long-lasting benefits also like extending website life expectancy, compatibility with the various browsers, and much more.

If you are designing or redesigning a website you should always follow these W3C validation rules to make your website rank on the search engine and increase your website traffic.

So, what are you waiting for? Just see all the points mentioned above and start working on the validation part of the website.

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