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, Arts & Entertainment, Health and 71 other categories.
InsightExpress is leading in News & Media, People & Society, Food & Drink, Cooking & Recipes and 25 other categories.
InsightExpress is leading in most countries, including United States, China, United Kingdom, Australia and 23 other countries.
Yahoo Search Marketing Analytics is leading in Japan, South Korea, Taiwan, Hong Kong and 15 other countries.