Systems and methods for modifying a webpage display based on a referrer web address are provided. In some aspects, a method includes receiving a request for a webpage. The request includes one or more referrer web addresses. The webpage includes multiple comments. The method also includes modifying a representation of an output for the webpage based on the one or more referrer web addresses. Modifying the representation of the output for the webpage includes arranging at least a subset of the multiple comments according to an order based on the one or more referrer web addresses. The method also includes providing the modified representation of the output for the webpage for generating a display on a client computing device.