1. A computer-implemented method comprising: analyzing characteristics of a website to determine whether the website represents a potential source of spam content, wherein the analyzing comprises: computing a total number of posts associated with the website; calculating a publication frequency for the total number of posts in posts per minute based on a ratio of the computed total number of content items to a difference between a publication time of a newest content item in the website and a publication time of an oldest content item in the website; and determining whether the website in its entirety represents spam content, based on the computed total number and the calculated publication frequency, wherein the determining comprises: comparing the calculated publication frequency to a threshold frequency; and when the calculated publication frequency is greater than the threshold frequency, identifying the website in its entirety as spam content; and in response to the analyzing, flagging the website in its entirety as spam content.