Brand Authority is a metric developed by Moz that shows the strength of a domain's brand.| Moz
Sure, PageRank is older than Emperor Palpatine, but a lot of SEOs still use it as their primary metric for link research. Unfortunately, using PageRank exclusively to measure linkbuilding outcomes can yield results as ugly as the Emperor's face. Since Google updates PageRank so sporadically, you…| Moz
What Is Google Penguin? How To Recover From Google Updates| 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
The Google Search Essentials make up the core parts of what makes your web-based content (web pages, images, videos, or other publicly-available material that Google finds on the web) eligible to appear and perform well on Google Search.| Google for Developers