TeaLeaf is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
TeaLeaf has better usage coverage in more websites categories. Including Travel, Health, Business & Industry, Airlines & Airports and 47 other categories.
Vertster is leading in Computer & Electronics, Computer Hardware, Relationships & Dating, Science and 2 other categories.
TeaLeaf is leading in most countries, including United States, United Kingdom, Canada, Belgium and 41 other countries.
Vertster hasn't got a lead over TeaLeaf in any country.