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 Kingdom, France and 27 other countries.
WebProspector is leading in Germany, Grenada, Austria, Italy and 3 other countries.