TruEffect is leading in Top 100K Sites and Top 1M Sites.
TruEffect has better usage coverage in more websites categories. Including People & Society, News & Media, Arts & Entertainment, Performing Arts and 33 other categories.
WebProspector is leading in Business & Industry, Internet & Telecom, Marketing & Advertising, Computer & Electronics and 32 other categories.
TruEffect is leading in most countries, including United States, Japan, Russia, United Kingdom and 17 other countries.
WebProspector is leading in Germany, Austria, Belgium, Ukraine and 4 other countries.