WordPress is an open source web site Content Management System (CMS) that provides a framework that can be used to deploy websites on many systems based on LAMP, Windows IIS, Microsoft Azure, and others. WordPress is deployed as the underlying platform for 25% of all websites. It is very customisable and has many plugins to enable organisations to use it as they need for target audiences. WordPress underpins the websites of many of the worlds most well known brands. Including The New York Times, eBay, and Reuters.