What is W3 Org?
W3 or WWW is an abbreviation for the World Wide Web. The W3 has a main international standards organization called the W3.org or W3C.
What is a W3C validator?
The Markup Validator is a free service by W3C that helps check the validity of Web documents. Most Web documents are written using markup languages, such as HTML or XHTML . These languages are defined by technical specifications, which usually include a machine-readable formal grammar (and vocabulary).
What is W3C validation?
W3C Markup Validation Service. The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check HTML and XHTML documents for well-formed markup.
How do you test your HTML code?
Cut and paste or type your HTML to be tested into the text box below. Then click the Test the HTML Code button. It will open a new window so that you can see the results of your code. The testing process will also test various scripts that are legal in HTML. You must include full URLs to test the validity of links and graphics.