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 46 other categories.
Vertster is leading in Internet & Telecom, Agriculture & Forestry, Computer Security, Search Engine and 2 other categories.
Sitespect is leading in most countries, including United States, Netherlands, Belgium, Canada and 14 other countries.
Vertster is leading in Malaysia.