1. A method implemented by one or more server devices, the method comprising: determining, by at least one of the one or more server devices, a quantity of links to or from a document; determining, by at least one of the one or more server devices, an amount of time that has elapsed since an inception date associated with the document; calculating, by at least one of the one or more server devices, an average rate at which links to or from the document are created based on the quantity of links to or from the document and the amount of time that has elapsed since the inception date associated with the document, calculating the average rate including: performing a mathematical operation on a first value that is based on the quantity of links to or from the document and a second value that is based on the amount of time that has elapsed since the inception date associated with the document; and ranking, by at least one of the one or more server devices, the document with regard to at least one other document based on the average rate at which links to or from the document are created.