TruEffect is leading in Top 1M Sites.
WebProspector has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Marketing & Advertising, Computer & Electronics and 27 other categories.
TruEffect is leading in News & Media, People & Society, Arts & Entertainment, Performing Arts and 25 other categories.
WebProspector is leading in most countries, including Germany, Austria, France, Spain and 10 other countries.
TruEffect is leading in United States, Japan, Mexico, Russia and 9 other countries.