All in One SEO Pack http://wordpress.org/extend/plugins/all-in-one-seo-pack/ This is one of the essential plugin which you will definitely want to install for your blog. This plugin helps out of the box serch engine optimization for your blog with lots of features. Google XML Sitemaps http://wordpress.org/extend/plugins/google-sitemap-generator/ This purpose of this plugin is to generate a XML sitemap for search engines...