A backlink is a link from another website to your own website. Backlinks are important for SEO because they indicate that your website is valuable and worth linking to. Google uses backlinks as one of the factors in ranking websites. There are two main types of backlinks: editorial and non-editorial. Editorial backlinks are links from websites that are editorially controlled, such as news websites or Wikipedia. Non-editorial backlinks are links from websites that are not editorially controlled, such as blog comments, forum posts, and social media shares. Editorial backlinks are more valuable than non-editorial backlinks because they indicate that the other website trusts your website enough to link to it. There are a number of ways to get backlinks, including submitting your website to directories, writing guest posts for other websites, and participating in online discussions and forums. You can also use tools like BuzzSumo to find popular content on other websites that you can link to on your own website.