What is external Style Sheet?

1. External Style sheet is used to control the style of a multiple web pages. By this way we can create the style sheet outside the JSP page and include it in the head section of the jsp.
   
   link rel="stylesheet" type="text/css" href="style.css"
   
   An external style sheet (CSS) is perfect - when the same style / format / look n feel is required on numerous pages. With an external style sheet, the webmaster can change the look of the entire site - by changing one file.
2. External Style Sheet tag is place after the heading tag. this tag purpose is the we can mention the path of the style sheet.