Links serve as the building blocks of Google search results. There is a strong correlation to increased page ranking performance when sites point to a particular page. Google can use the number of links in the page for determining how important these pages are to web searches amongst an ocean of content. External linking is the third most vital factor for search optimization is external linking, as per SEO experts.
53% of marketers say link building will have the same impact on the search ranking, and 41% think it will have less impact. According to 51% of marketers, it takes one to three months to see the impact of link-building efforts. Some marketers believe brand mention impacts organic search rankings. In the coming years, 92% of marketers believe that links will still be ranking criteria in Google algorithms. Read this Red Website Design infographic that highlights some important statistics showing the importance of SEO links.