WordPress is an open source software that is used by millions of developers over the world and is SEO (search engine optimisation) friendly. This is very easy to extend the functionality of a site and make it an extremely advanced site which provides a great user experience. 

It allows easy integration of eCommerce which ensures a seamless process along with its endless design options.  The WordPress platform was made with security in mind, and it is considered to be a very safe and secure platform to run a website. There is a large community of developers who thrive on improving and keeping the platform secure.  It is also compatible with Google analytics and it is scalable which is a great asset to a platform.