The current CEO of W3C is Jeffrey Jaffe

Source:

http://news.techworld.com/networking/3214522/ex-novell-cto-becomes-w3c-chief/

It is a standard set by the W3C organisation which has many members.

for example home page codes , search engines and layouts.

all are coded by the w3c complaince also general components like buttons and colourfull text and documents are part of the w3c compaince

W3C or the World Wide Web Consortium is a global organization that was established in 1994 to develop guidelines regarding the Internet. The W3C ACT is mainly concerned with accessibility issues.

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W3C is the World Wide Web Consortium. It sets standards for the internet, including HTML. If a HTML page follows those standards then it is W3C compliant.