1. A system comprising: a like document acquisition component that obtains a plurality of like documents that include indicators corresponding to one or more like selection objects; a document like total component that determines a document total like count of the indicators corresponding to the one or more like selection objects for each one of the plurality of like documents; a domain determination component that determines a corresponding web domain associated with each of the plurality of obtained like documents; a domain like total component that determines a domain total like count corresponding to a sum of the document total like counts of the indicators for each corresponding web domain associated with each of the plurality of obtained like documents; a first candidate selection component that determines a first candidate group of the corresponding web domains based on a comparison of a predetermined threshold value with one or more of the domain total like counts; and a likefarm domain confidence determination component that determines, via a device processor, a likefarm domain confidence score for each one of a second group of the corresponding web domains based on a decision tree function that is based on a plurality of domain attributes.