Short extract of posts are acknowledged as Excerpts. There is a built-in function in WordPress for you to decide what type of things you want to show as excerpt for your post. Exhibition of full posts on the homepage, archives and blog page makes WordPress site slower. This action sometimes makes search engines believe that all these pages contain replica content. A number of WordPress themes automatically make short excerpt of posts. The drawback of this system is that your theme evaluates the excerpt for you. And for this reason many users prefer to create a custom excerpt. There are 3 different ways to add custom excerpts in WordPress. In this article, how to add custom excerpts in WordPress using plugin is described.