InsightExpress is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
InsightExpress has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Shopping and 64 other categories.
Optimost is leading in Finance, Business & Industry, Insurance, Travel and 32 other categories.
InsightExpress is leading in most countries, including United States, China, Canada, India and 27 other countries.
Optimost is leading in United Kingdom, France, Japan, Brazil and 17 other countries.