The difference between static and dynamic web site

[aceamerican]

A static site is one that is usually written in plain HTML and what is in the code of the page is what is displayed to the user. A dynamic site is one that is written using a server-side scripting language such as PHP, ASP, JSP, or Coldfusion.

[seo1]

A static website is the simplest kind of website you can build. Static websites are written in HTML and CSS only, with no scripting.

A server-side dynamic web page is a web page whose construction is controlled by an application server processing server-side scripts.

[barbara glowam]

Static websites means basic version of website which content, design, color etc. are remain fix till the web developer is not changed it.
A dynamic web site is opposite static web site, here web pages not fixed as static web site, changes will be done according to clients by their own requirements.

[steffyjo92]

A static website doesn't change. It's usually just a bunch of html, css and possibly javascript files that are served by a simple webserver. A dynamic website has a backend written in a language like PHP, Python, Ruby and Node js.