Passage: Google Sites is a creation tool that allows multiple people to create and edit websites, without requiring coding knowledge or other web design skills. It was introduced in February 2008 in an effort to help customers "quickly gather a variety of information in one place – including videos, calendars, presentations, attachments, and text – and easily share it for viewing or editing with a small group, their entire organization, or the world."

Question: what is necessary to edit website?
coding knowledge or other web design skills.