Wordpress is the most popular web blogging software with a focus on aesthetics, web standards, and usability. Wordpress API allows creating unlimited plugins to extend the impressive standard functionality even more. Wordpress is blessed with an active community, which is the heart of open source software.

Drupal is a content management system that makes use of modules to allow site administrators to organize and display content, customize appearance and manage routine tasks, such as registration for websites requiring user names and passwords. 

The aim of seo is to maximise targeted types of valuable traffic to a website from search engines by improving the visibility of said website in Google organic. Traditionally, this has meant aiming for no1, or top ten positions in Google Read more: What Is SEO? Google Search Engine Optimisation Tutorial