I'm trying to analyze which is the best app between WAMP vs XAMPP based on the Google Trends results for those terms.In this first chart, I have left compare to category unchecked.  WAMP is above the XAMPP In the second chart, I have left compare to category checked  XAMPP is above the WAMPgoogle-trends WAMP vs XAMPPWhat is the difference between leaving this setting checked or unchecked?  What category am I comparing the results to?
What is compare to category in Google Trends analysis?
google trends