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 People & Society, News & Media, Arts & Entertainment, Health and 22 other categories.
TruEffect is leading in most countries, including United States, India, Japan, Canada and 12 other countries.
WebProspector is leading in Germany, Austria, Spain, Portugal and one other country.