What are the advantages and disadvantages of using External Style Sheets?

The advantages of External Style Sheets are as follows :

  • With the help of External Style Sheets, the styles of numerous documents can be organized from one single file.
  • In External Style Sheets, Classes can be made for use on numerous HTML element types in many forms of the site.
  • In complex contexts, Methods like selector and grouping can be implemented to apply styles.

The disadvantages of External Style Sheets are as follows :

  • An extra download is essential to import style information for each file.
  • The execution of the file may be deferred till the external style sheet is loaded.
  • While implementing style sheets, we need to test Web pages with multiple browsers in order to check compatibility issues.