InsightExpress is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Yahoo Search Marketing Analytics has better usage coverage in more websites categories. Including Business & Industry, Shopping, Internet & Telecom, Health and 57 other categories.
InsightExpress is leading in People & Society, Arts & Entertainment, News & Media, Food & Drink and 50 other categories.
InsightExpress is leading in most countries, including United States, China, United Kingdom, Australia and 30 other countries.
Yahoo Search Marketing Analytics is leading in Japan, Korea Republic, Taiwan, India and 13 other countries.