Post courtesy of Nuclear Affiliate
A backlink (often known as an inbound link) occurs when another person's site links to yours. It works like this; first, you build a site. Hopefully you have made your website the correct way by using the right structure and keywords so that your website is on the right path to being search engine optimized. If you use the right SEO (search engine optimization) techniques, you will come up high in search engine ranking. Hence search engine optimisation is crucial and you want to keep it in mind as you are making your website. Now we get more into the specific answer to "What's a backlink". While the structure and keywords are vital to keep in mind as you create and add to your website, the most important factor of good SEO for the rest of your website's life is adding and maintaining backlinks. The explanation is easy.