Web Mastery and E-Commerce

What are the primary job responsibilities of a Webmaster?
A Webmaster creates and maintains a website for an company or organization. The primary responsibility of a Webmaster is to assure one hundred percent functionality of a website at all times. If an Webmaster's site goes down it is his/her responsibility to restore its functionality a.s.a.p. If the website needs vital functionality or design changes it is the responsibility of the Webmaster to implement them in a timely manner.
In what areas is the average Webmaster competent?
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