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This article needs to be updated. In particular: The term may no longer be in widespread use as websites have become more sophisticated requiring the work of a multi-disciplinary team of specialists rather than a single individual tasked with every aspect of designing, building and maintaining a website..(July 2018)
A webmaster is a person responsible for maintaining one or many websites. The title may refer to web architects, web developers, site authors, website administrators, website owners, website coordinators, or website publishers. The duties of a webmaster may include: ensuring that the web servers, hardware and software are operating correctly, designing the website, generating and revising web pages, A/B testing, replying to user comments, and examining traffic through the site. Webmasters of commercial websites may also need to be familiar with e-commerce software.
Due to the RFC 822 requirement for establishing a "postmaster" email address for the single point of contact for the email administrator of a domain, the "webmaster" address and title were unofficially adopted by analogy for the website administrator. RFC 2142 turned this common practice into a standard.
Core responsibilities of the webmaster may include the regulation and management of access rights of different users of a website or content management system, the appearance and setting up website navigation. Content placement can be part of a webmaster's numerous duties, though content creation may not be.