TeaLeaf is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
TeaLeaf has better usage coverage in more websites categories. Including Business & Industry, Travel, Health, Airlines & Airports and 54 other categories.
Zeta Search is leading in Online Marketing, Investing, Universities & Colleges, Equestrian and 2 other categories.
TeaLeaf is leading in most countries, including United States, United Kingdom, Canada, Germany and 71 other countries.
Zeta Search hasn't got a lead over TeaLeaf in any country.