You should be able to know the link partners that are used by your competitors. There are many web apps that help you to know such information. SimilarWeb is one such tool which can get you information about which links are used by your competitors along with the referral sources so that you can make a top list and work on a strategy to improve your traffic and sales figures. You can also find the amount of traffic your competitor gets using such links. It is that impressive and useful. Such information can help you to make a more robust website that would help the users to search for the content within seconds and improve your quality. This would also increase the links that can be shared on the social media and other websites to make it a chain reaction for users to increase in number.