Match, PlentyOfFish (POF) and eHarmony in DEATH SPIRAL?

Please see this information from Alexa and Compete!

 A sudden drop? Death spiral?
http://www.alexa.com/siteinfo/match.com
https://siteanalytics.compete.com/match.com/

http://www.alexa.com/siteinfo/eharmony.com
https://siteanalytics.compete.com/eharmony.com/

http://www.alexa.com/siteinfo/pof.com
https://siteanalytics.compete.com/pof.com/
http://www.alexa.com/siteinfo/plentyoffish.com
https://siteanalytics.compete.com/plentyoffish.com/

iDate January 2015 Superconference. Las Vegas, Nevada. USA
http://onlinedatingsoundbarrier.blogspot.com.ar/2015/01/idate-january-2015-superconference-las.html