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 Hardware, Computer & Electronics, Science, Relationships & Dating and 2 other categories.
TeaLeaf is leading in most countries, including United States, United Kingdom, Canada, Belgium and 45 other countries.
Vertster is leading in Australia.