The major advantage of a static website is that is very quick to develop. A professional web developer can develop a static website much faster than a dynamic website. For a startup business static website can save more time in developing and your business can be visible online.
Static websites contain fixed number of pages and format of web page is fixed which delivers information to the client. There are 110 changes in contents of web page while page is running on client's browser. This kind of web sites created from HTML and CSS coding on simple text editor like notepad. Example an organization site, institute site etc.
Static Website pages display the exact same information whenever anyone visits it. Static Website pages do not have to be simple plain text. They can feature detailed multimedia design and even videos. However, every visitor to that page will be greeted by the exact same text, multimedia design or video every time he visits the page until you alter that page's source code.