As the web continues to grow and evolve, the need for web standards increases. The World Wide Web Consortium (W3C) is an international community that develops open standards to ensure the long-term growth of the web. One of the ways the W3C meets this goal is by providing services that help developers test their code for compliance with web standards. The W3C provides a number of services that can be used to test web code. The most popular service is the W3C Markup Validation Service, which allows developers to check their code for compliance with HTML and XHTML standards. The W3C also provides a CSS validation service, an XML validation service, and an internationalization service. Using the W3C services is a good way to ensure that your web code is standards-compliant. However, it is important to note that the W3C services are not perfect. They may sometimes report errors that are not actually errors, or they may not catch all errors in your code. Therefore, it is important to test your code in multiple browsers to make sure it is truly compliant with web standards.
The tester site w3c services is a website that provides a variety of testing tools for web developers. These tools can be used to test the compliance of web pages with the W3C standards. The site also provides a variety of resources and advice for web developers on how to improve the quality of their web pages.
The W3C Markup Validation Service and the W3C CSS Validation Service are both important tools for web developers and webmasters. They help ensure that web pages are correctly coded and that they follow web standards. These services are free to use and are available to anyone who wants to check the code of their web pages.