The W3C is an international organization that develops web standards. It is led by Tim Berners-Lee and has a mission to lead the web to its full potential. The W3C has an advisory committee and technical groups that produce standards. It follows a consensus process to develop high-quality standards. The W3C provides a validator to check that websites meet accessibility and other guidelines. Publishing a website involves creating it, getting a hosting plan and domain, and using FTP to upload the site.