Link building is a process where another website links back to your own website, or to a specific page on your website, with a goal to improve search engine visibility, increase referral traffic and raise website authority. Links are one of the top three factors for ranking well in Google.
There are many techniques for building links, and while they vary in difficulty, it is commonly agreed that link building is one of the hardest parts of SEO. Many webmasters 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 your competition.