Alexa is perhaps best known their website ranking system which tracks over 30 million websites worldwide. The Alexa Rank and other metrics allow site owners to benchmark their sites and give consumers, marketers and advertisers metrics to evaluate websites for media buying, partnerships, and other business opportunities. Alexa's traffic estimates are based on a diverse sample of millions of worldwide internet users using thousands of different types of toolbars and add-ons for Google Chrome, Firefox, and Internet Explorer.
WordPress SEO plugin to automatically optimize your WordPress blog for Search Engines. Some features: Support for Custom Post Types Advanced Canonical URLs Fine tune Page Navigational Links
Akismet filters out your comment and track-back spam.
Admin Menu Editor lets you edit the WordPress admin menu. You can re-order, hide or rename menus, add custom menus and more.