This document discusses various experiments and analyses conducted by Pinterest to improve search engine optimization (SEO) and user experience. It describes experiments testing ordering pins by popularity versus historically on boards, boosting local content in keyword searches, and analyzing effects of image presence and position on image search traffic. Results showed changing to popularity ordering and boosting local content increased traffic and conversions. Analyzing pin page traffic growth and categories revealed improved spam detection helped increase conversions. The document examines SEO across multiple dimensions to better understand effects on traffic and user behavior.