Backlinks also known as Inbound links are links directed towards your website and are a major building blocks for SEO. The more links you will get for your website, the better rank you will get from search engines. The number of backlinks is an indicator of of popularity and importance with search engines. Your website will be given more credit by search engines if you will get a large number of backlinks for your site. A website with more backlinks will be given more relevance in a search query by the search engines.