A portfolio website is an online platform used to showcase a person's or a company's previous work in various fields such as design, programming, writing, photography, and more. The purpose of this website is to present tangible examples of past work to demonstrate skills and creativity to visitors and potential clients. It typically includes a gallery of works, a resume, contact information, and sometimes a blog or posts to provide further details about the owner’s background and approach to work. A portfolio is an essential tool for individuals or companies looking to market their services or products online.