[Standard of the consortium] a perfect website of the 101 indicators of the Seven

Website |W3C Standard

Conforming to the standards of the Web site is the trend of the website, at present, almost all browsers use the standard of the Internet, the standard of the Internet to ensure that your site in all major browsers have a consistent performance, you no longer need to like the late 90, to different browsers output different content.

With a wide range of standards for the Web site, there are HTML, XHTML, and CSS, which you can refer to in the following articles or resources:

Some information on the official website of the Consortium

http://www.w3.org (official website of the Consortium)
http://validator.w3.org/(HTML or XHTML validation tool)
http://jigsaw.w3.org/css-validator/(CSS Verification tool)
Http://validator.w3.org/checklink (link effectivity verification tool)

Some foreign technical sites related to the standards of the world's standard
http://www.w3schools.com/
http://www.w3c.org/
http://www.24ways.org/
http://www.456bereastreet.com/
http://www.alistapart.com/

Some of the domestic technical sites related to the standards of the Consortium
http://www.w3cn.org/
http://www.blueidea.com/