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 32 other categories.
TruEffect is leading in News & Media, People & Society, Arts & Entertainment, Health and 31 other categories.
TruEffect is leading in most countries, including United States, Japan, Italy, Russia and 13 other countries.
WebProspector is leading in Germany, Austria, Switzerland, South Africa and 12 other countries.