It's a good practice to use

samauden — Fri, 22 Apr 2016 14:04:01 +0000

It's a good practice to use external CSS,external javascript as much as possible to improve html page readability and to avoid code clutter. Whereever needed we link the external css file in the pages.

When using CSS it is

Webliquids — Fri, 29 Jan 2016 05:34:05 +0000

When using CSS it is preferable to keep the CSS separate from your HTML. Placing CSS in a separate file allows the web designer to completely differentiate between content (HTML) and design (CSS). External CSS is a file that contains only CSS code and is saved with a ".css" file extension.

external stylesheet is a type

apsingh — Tue, 24 Sep 2013 11:41:59 +0000

external stylesheet is a type of stylesheet which is designed apart from source file. And just by a single file you can provide style to different source code pages.
There is need to connect that style sheet through link HTML tag. This file has extension .css

In external style sheet , we

stelleninfotech — Sat, 07 Sep 2013 09:20:00 +0000

In external style sheet , we state all rules of styling in a separate sheet and link it to the pages to which we want to apply the style. This type of styling is ideal when we want to apply same style to many web pages. At the head section of each page we include the code to link the CSS.

Hi.., An external style sheet

finovera — Sat, 07 Sep 2013 06:08:29 +0000

Hi..,
An external style sheet is ideal when the style is applied to many pages. Each page must link to the style sheet using the tag. The tag goes inside the head section: