WebProspector is leading in Top 1M Sites.
YellowTracker has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Shopping and 66 other categories.
WebProspector is leading in Business & Industry, Internet & Telecom, Marketing & Advertising, Computer & Electronics and 24 other categories.
YellowTracker is leading in most countries, including Netherlands, Belgium, United States, Russia and 15 other countries.
WebProspector is leading in Germany, Austria, Switzerland, Viet Nam and 9 other countries.