Backlinks are important for two big reasons. Firstly: backlinks can measure how much eminence and respect you have earned on the Web. The more reputable and prominent your backlink referrers are, the more you have established your web page as a worthy destination. Conversely, if you have no backlinks, or very disreputable backlinks, then your credibility on the Web needs work.
Backlinks are also important for how you rank in search engines. The more backlinks that you have, the more 'popular' you are considered on the Web, and more highly you will rank at Google. While backlinking is not the only factor in ranking web pages, strong backlinking does indicate that your site has achieved some kind of worth in the eyes of other publishers.
How to View Your Backlinks and Referrers:
There are multiple tools that will identify and list your backlinks. One of the easiest methods is to use Google.com, as it has a built-in backlink checking service. While this method does not have the thorough analytics of other tools, Google is fast and free.
To view your backlinks and referrers at Google, open Google.com and type in the following:
The resulting Google page will show all the major backlink referrers that point to your site. If your backlinks number over 1000, then you are very popular on the Web.
Other Backlink Checking Tools Besides Google:
Here are several free tools that provide varying degrees of analytics and insight into your backlink referrers. These sites are powered by advertising, so you will need to endure blinking advertisements, but the price is right: