Wordpress is king to keep their base code as light and fast as possible.
This give the community the ability to expand what WordPress can do and develop new plugins at a lightning fast pace. This is why a lot of plugins and extensions for search engine optimization (SEO) are made available by multiple developers.
Finding the optimal SEO plugin is a difficult trial and error task. To help you on this matter, here are the most efficient and best SEO plugins for WordPress.
Since my review include video and download links, I prefer you go and read the complete original post - The Best Plugins for Search Engine Optimization