Link Building is simply the process of creating and distributing the URL of your site on the Internet. This is a critical step in the field of Search Engine Optimization search engines often rely heavily on external links pointing to your site. In fact, it is so important that reminds links to yours, you’re more than likely never found by Google or Yahoo. This does not mean you should go to a website and just start spamming the URL of your website - the search engine algorithms are far too complex to primitive techniques such as those. But when done honestly, it can promote your site beyond your competitors like Google vests much of its confidence in the external linking from relevant websites.