Difference between static and dynamic websites

Static websites	Dynamic websites
Static websites contain fixed number of pages.	Dynamic websites can create webpage dynamically.
Theme of website and content of webpage are fixed.	Webpage design and content may change on run time.
Static websites load quickly on client browser because it has only some markup contents.	Dynamic sites take some time to load on client browser because it processes the request server side and create contents dynamically.
Static sites never use database connectivity.	Dynamic sites deal with database and generate the contents dynamically using database queries.
Static websites is highly secure than dynamic sites because it behaves as a half duplex approach so only one way communication is possible i.e. server to client.	Dynamic sites are less secure because it behaves as full duplex approach so both side communications is possible so user can change the server data.
Static site use for provide some information to the clients like an organization or institute website.	Dynamic website use where content changes frequently on run time. Like a E-commerce site, online examination, etc.
Static website directly run on browser and does not require other server application language. Static website can be created from HTML and CSS.	Dynamic website run the application on server and the output will display on webpage. So this is require server application language like PHP , Asp.NET, JSP etc.
Static sites are easy to develop and a bit experienced people can develop it.	Dynamic websites not easy to develop because require qualify developers to create it, manage it, test it and maintain security of application and database.
In static website if we want to change the page content then we have to upload that page on server many times.	Dynamic sites provide the facilities that it possible to change the page content using server application. And need not to upload the page on server.