This is best SEO plugin available in wordpress plugin directory
Best Social sharing plugin for wordpress
Best sitemap plugin for wordpress
Best relates port plugin for wordpress to show post with tags
Best easy page navigation plugin for pages
Best plugin to Manage your WordPress database. Allows you to optimize database, repair database, backup database, restore database, delete backup database , drop/empty tables and run selected queries. Supports automatic scheduling of backing up, optimizing and repairing of database.
The highest rated and most complete WordPress performance plugin. Dramatically improve the speed and user experience of your site. Add browser, page, object and database caching as well as minify and content delivery network (CDN) to WordPress.
The Disqus comment system replaces your WordPress comment system with your comments hosted and powered by Disqus. Head over to the Comments admin page to set up your DISQUS Comment System.
This plugin detects all ways to access your original WordPress feeds and redirects them to your FeedBurner feed so you can track every possible subscriber.
Insert Google Adsense ads automatically to your blog posts and pages.