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The Backlink Checker is a free online tool that calculates the number of backlinks a website has. A backlink is a connection that connects one website to another. Backlinks to your website from other websites can help you rank higher in search engines, especially if the other websites are useful and score well. Backlinks from spam sites, on the other hand, can really hurt your site. As a result, you should keep a check on your backlinks, which is what the Backlink Checker is for.
On the other side, you should always keep track of your rivals' backlinks and try to outnumber them.
Backlink Checker is easy to use.