1. A computer implemented method of predicting traffic for a web page in a network of web pages, the method comprising: automatically generating, using a processor, historical traffic data for the web page based on records of daily traffic for an ancestor web page of the web page if the web page has been available for less than a predetermined period of time or based on records of daily traffic for the web page and descendent web pages of the web page; automatically back testing, using the processor, the historical traffic data using a growth and seasonality separation (GSS) process; automatically back testing, using the processor, the historical traffic data using a trend copy (COPY) process; and automatically predicting, using the processor, future traffic to the web page based on the historical traffic data, wherein predicting includes applying to the historical traffic data either the GSS process or the COPY process that yielded a better back testing result.
9. The computer implemented method of claim 1 , wherein the predictions made for the web page are based on the predictions made for one or more ancestor web pages.