eProof is leading in Top 10K Sites and Top 100K Sites.
Zeta Search has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, People & Society, Online Marketing and 20 other categories.
eProof is leading in News & Media, Accounting, Arts & Entertainment and Adult.
Zeta Search is leading in most countries, including United States, Slovenia, Malta, India and 2 other countries.
eProof is leading in Egypt.