Very possibly because of this: http://venturebeat.com/2013/08/12/the-big-ugly-affiliate-marketing-scam/ http://venturebeat.com/2013/08/12/the-big-ugly-affiliate

Very possibly because of this: http://venturebeat.com/2013/08/12/the-big-ugly-affiliate-marketing-scam/ http://venturebeat.com/2013/08/12/the-big-ugly-affiliate-mar... It doesn't look like squarespace offer an affiliate programme right now, but it seems they did and this is sensible if they'll ever want to again.