Google shook up the SEO world by announcing big changes to how publishers should mark nofollow links. The changes — while beneficial to help Google understand the web — nonetheless caused confusion and raised a number of questions. We've got the answers to many of your questions here.| Moz
MozBar is a free browser extension that helps you perform SEO research on the go. Quickly assess the strength and authority of any website, easily spot technical issues, and analyze any domain with this easy-to-use toolbar.| Moz
View the complete Google Algorithm Change History as compiled by the staff of Moz. Includes important updates like Google Panda, Penguin, and more.| Moz
Tuesday, September 10, 2019| Google for Developers