Backlinks are external links to your website. They show the transition from one site to another or from one page to another. They help to index your website’s pages correctly.
Google PageRank? algorithm takes into consideration the sources and the number of web page backlinks, then estimates the importance of that page. That is why when you try to search for some goods, information or service, Google and other search engines present website links in a concrete order (from the most valuable to the least important ones). Backlinks help your website attract a primary audience. There are a few terms you need to know.
Dofollow link attribute points search bots what links are should be indexed. They intend to pass link juice from one website to another or from one web page to another. It is important for SEO goals.