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 27 other categories.
TruEffect is leading in News & Media, People & Society, Arts & Entertainment, Health and 25 other categories.
TruEffect is leading in most countries, including United States, United Kingdom, Canada, Korea Republic and 12 other countries.
WebProspector is leading in Germany, Austria, Italy, Spain and 9 other countries.