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, Consumer Electronics, Clothing, Sports and 43 other categories.
Zeta Search is leading in Finance, Internet & Telecom, Health, People & Society and 11 other categories.
Sitespect is leading in most countries, including United States, Netherlands, Belgium, United Kingdom and 12 other countries.
Zeta Search is leading in Philippines.