TruEffect is leading in Top 100K Sites and Top 1M Sites.
WebProspector has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Marketing & Advertising, Computer & Electronics and 31 other categories.
TruEffect is leading in News & Media, People & Society, Arts & Entertainment, Health and 29 other categories.
WebProspector is leading in most countries, including Germany, Austria, Switzerland, India and 14 other countries.
TruEffect is leading in United States, Japan, Italy, Brazil and 11 other countries.