A webmaster also called a web architect, web developer, site author, website administrator, or website coordinator is a person responsible for maintaining one or many websites. the 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. As a general rule, professional webmasters "must also be well-versed in Web transaction software, payment-processing software, and security software.