Backlinks are incoming links to a webpage. When a webpage links to any other page, it's called abacklink. In the past, backlinks were the major metric for the ranking of a webpage. A page with a lot of backlinks tended to rank higher on all major search engines, including Google.
<a href="http://www.example.com/">Example Anchor Text</a>
1. Learn SEO and Search Marketing by MOZ.COM
<a href="http://www.example.com/">Example Anchor Text</a>
1. Learn SEO and Search Marketing by MOZ.COM
