http://www.earndaddy.com - Exclusive list of High DA PA free link directories. Do you know why they are important ? While talking about SEO ( Search Engine Optimization ) link building is one of the main factor for getting any website on top of Google and other Search engines. As we know, there can be variations of links that can be created for a website. Links from Link directories is one among the variations of Link Building. Link Directories also called web directories are the sites which are the directories of website links kept as archive.