Sitespect is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Sitespect has better usage coverage in more websites categories. Including Shopping, Clothing, Consumer Electronics, Sports and 35 other categories.
Zeta Search is leading in Internet & Telecom, Online Marketing, People & Society, Finance and 8 other categories.
Sitespect is leading in most countries, including United States, Netherlands, Belgium, Canada and 10 other countries.
Zeta Search is leading in India.