WebProspector is leading in Top 100K Sites and Top 1M Sites.
YellowTracker has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, News & Media and 66 other categories.
WebProspector is leading in Internet & Telecom, Marketing & Advertising, Computer & Electronics, Software and 19 other categories.
WebProspector is leading in most countries, including Germany, Austria, United Kingdom, France and 11 other countries.
YellowTracker is leading in Netherlands, Belgium, United States, Russia and 9 other countries.