By using a collaborative filtering method, we can identify keywords that are closely related to "pay to click". Of all the web sites that target "pay to click", these are the most commonly targeted keywords by this same group of web sites, sorted by the highest number of web site matches.
The root keyword phrase "pay to click" also exists in these keywords. Drill down to see who is targeting long-tail variations off of "pay to click".
The keyword phrase "pay to click" can be broken down into these keyword pieces. Find out who is targeted short-tail variations off of "pay to click".