Amazon Webstore is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Amazon Webstore has better usage coverage in more websites categories. Including Shopping, General Merchandise, Arts & Entertainment, Internet & Telecom and 53 other categories.
SecondPhase is leading in Business & Industry, Construction & Maintenance, Home & Garden, Industrial Goods & Services and 6 other categories.
Amazon Webstore is leading in most countries, including United States, Japan, Germany, United Kingdom and 41 other countries.
SecondPhase is leading in Canada.