I first became aware of the Refer­rer Spam prob­lem after installing and using the Word­Press plu­gin Stat Surfer. One of Stat Surfer’s sta­tis­tics cat­e­gories is Top Refer­rers. I noticed on a business-client’s site they were get­ting refer­ral traf­fic from porn … Con­tinue read­ing →