TruEffect is leading in Top 100K Sites.
WebProspector has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Marketing & Advertising, Computer & Electronics and 32 other categories.
TruEffect is leading in News & Media, People & Society, Arts & Entertainment, Health and 30 other categories.
TruEffect is leading in most countries, including United States, Japan, Italy, Canada and 16 other countries.
WebProspector is leading in Germany, Austria, Russia, Poland and 8 other countries.