Relevant: http://ed.agadak.net/2015/04/whys-and-hows-of-suggested-tiles http://ed.agadak.net/2015/04/whys-and-hows-of-suggested-tile... Key quote: "to summariz

Relevant: http://ed.agadak.net/2015/04/whys-and-hows-of-suggested-tiles http://ed.agadak.net/2015/04/whys-and-hows-of-suggested-tile... Key quote: "to summarize, Firefox makes generic encrypted cookieless requests to get enough data to decide locally in Firefox whether content should be added to the new tab page."