A backlink is a link from another website to your website. For example, when another organization mentions you in a blog or other webpage and includes a link to your website.
A backlink is a reference to your website and is read by Google. Google extracts three things from the link:
When these three aspects align and provide Google with additional information about your website, we refer to it as a high-quality backlink. Such references are increasingly valued by Google and are therefore becoming more important for SEO.