Backlinks a website gets are one of the important ranking metrics for Google. While high-quality backlinks positively affect the ranking of a website in the search engine results, bad and spam backlinks cause the respective website to rank low. Therefore, webmasters should show the utmost care to the inbound links coming to their websites. Malicious competitors of a given website may also resort to Black Hat SEO methods and provide users with spam links. Therefore, webmasters should always keep tabs on the inbound links; they should keep a list of the bad and spam links in a disavow file and send this file to Google. The .txt file that is used in disavowing spam backlinks is called the disavow file. Thus, the respective website will be protected from its rankings dropping due to bad backlinks.