Link building is the process of acquiring hyperlinks from other websites to your own. A hyperlink (usually just called a link) is a way for users to navigate between pages on the internet. Search engines use links to crawl the web; they will crawl the links between the individual pages on your website, and they will crawl the links between entire websites. There are many techniques for building links, and while they vary in difficulty, SEOs tend to agree that link building is one of the hardest parts of their jobs. Many SEOs spend the majority of their time trying to do it well. For that reason, if you can master the art of building high-quality links, it can truly put you ahead of both other SEOs and your competition. There are other benefits to link building, though, that may be less immediately obvious yet still worthy of consideration. Building relationships Link building can often involve outreach to other relevant websites and blogs in your industry. Sending referral traffic We've talked about the impact of links on your rankings, but what about the impact of links on referral traffic? A good link from a highly-visited website can lead to an increase in traffic, too. If it is a relevant website, chances are that the traffic is also relevant and may lead to an increase in sales, as well. Again, in this situation the value of a link isn't just about SEO—it's about customers. Brand building Good link building can help build your brand and establish you as an authority in your niche.