20+ Great WordPress SEO Plugins
Platinum SEO Plugin – The Platinum SEO Plugin has everything that the All in One SEO plugin has plus additional features. You can add index/noindex/follow/nofollow/noodp/noydir/and meta tags to any post or page. You can get rid of the universal title format that the plugin offers for any post or page. The Platinum SEO plugin optimizes post and page titles for search engines. It also generates all SEO relevant META tags automatically and helps you avoid duplicate content.