Yoast

301 redirect SEO tutorial | Don't just delete a page or a post -> redirect
Google Analytics, Monster Insights & WordPress Power up WordPress from your dashboard
Getting Started with Pinterest for your Business
A better breadcrumb trail with Yoast
Display category descriptions & add SEO value
WordCamp Buffalo - 2012 Optimizing your WordPress Site & Web Content for Search
WordCamp-Toronto-Presenter
Making the most of blog Categories and tags
WordCamp Toronto 2011: SEO for WordPress