What are Back links?
Back links are links that are directed towards our website. Back links are also Known as Inbound Links. The Number of Back links is an indication of the Popularity or Importance of the Website. Search Engine Especially Google will give More Credit to websites that have a good Number of quality Back links; Search engines who give importance to back links consider those websites with more back links with a particular keyword more relevant than others in their results pages for a Search Query.
When Search engines calculate the relevance of a site to a keywords, they consider the number of quality Inbound links to that website. Just Getting Back Link is not important, it is Quality of back link which is more Important.
Search engines consider the content of the website to determine the quality of the back link. When Inbound links to our website come from others website and those websites have content related to our website then these back links are considered more relevant to our site. If inbound links are found with unrelated content then they are considered as less relevant. So higher the relevance of inbound links, the greater the quality of the link.