Before you talk about the advantages of backlinks, you need to know that many things have changed in the last few years. There were times when even low quality connections helped to list a website. However, since Google has released the Penguin algorithm, the entire backlink algorithm has changed.
It is important that backlinks are taken from quality websites and these backlinks should be based on content. For example; If a website with car spare parts has received a Dofollow backlink from another website related to cars, this will be more relevant than buying backlinks from a site -related site in the evaluation of a search engine. Backlink Web Site, with your website, your category, your business, the better the quality of backlink.
When search engines calculate the relevance level of a website with a keyword, it takes into account the number of quality connections to the website. Therefore, we should not be pleased to only get incoming links, the important thing is how high quality the incoming link is. You can also use the Google Disavow tool to prevent harmful backlinks from your website.