TruEffect is leading in Top 1M Sites.
TruEffect has better usage coverage in more websites categories. Including News & Media, People & Society, Business & Industry, Arts & Entertainment and 39 other categories.
Zeta Search is leading in Online Marketing, Alternative & Natural Medicine, Financial Management, Banking and 4 other categories.
TruEffect is leading in most countries, including United States, United Kingdom, Mexico, Japan and 14 other countries.
Zeta Search is leading in Slovenia, Malta and Canada.