Media Websites Sputter Amid Faltering Ad Revenue, Traffic

New York Times: Changes in technology like ad blocking, and the dominance of platforms like Facebook have left many publishers unsure of how they will make money. Publishers have started in recent years to obsessively monitor the ways in which their readers arrived at their sites. The sheer speed with which Facebook, Twitter, Google and Snapchat have come to dominate the landscape has taken publishers by surprise.