Mostly run by automated programs and services, a link farm is a group of websites that all link either to each of the websites in the group or to a website that is paying for this service. This practice can get you a hefty manual penalty and is best avoided.
About the Author: Chad Klingensmith
Chad is a Sr. SEO Strategist for Rio SEO. He has over 10 years of experience in the digital marketing vertical. He enjoys researching and applying cutting edge marketing strategies to help clients achieve optimal online visibility.