From 1990s to, till now the Search engine have treated links as votes for popularity and importance of the web. Link Building contains the different processes which are come in Off-page SEO, there will be 26 processes we used in Off-page SEO and in every process, we are doing link building. In Link Building process, we are acquiring hyperlink from other websites to our own. Search engines use links to crawl the website; they will crawl the links between the individual pages on your website, and they will crawl the links between entire websites.
Link Building can increase the number of high-quality inbound links to a website with the goal of increasing the search engine rankings of that page or website.