1. PLUG - INS Plug-in is a small software computer program that extends the capabilities of a larger program. It is mostly used in the web browsers.

2. Plug-in Architecture

4. Examples 1) wp-pagenavi 2) wp-postratings 3) wp-postviews

5. Wp-pagenavi 1) wp-pagenavi : Adds a more advanced paging navigation to your WordPress site. Example: Pages (17): [1] 2 3 4 » ... Last »

6. Wp-postratings 2) wp – postratings: Adds an AJAX rating system for your WordPress blog's post/page Example :

7. wp-postviews 3) Wp-postviews: Enables you to display how many times a post had been viewed. Example :