InsightExpress is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
InsightExpress has better usage coverage in more websites categories. Including Arts & Entertainment, News & Media, People & Society, Food & Drink and 49 other categories.
Optimost is leading in Finance, Business & Industry, Insurance, Travel and 23 other categories.
InsightExpress is leading in most countries, including United States, Australia, China, Japan and 34 other countries.
Optimost is leading in United Kingdom, France, Ireland, Belgium and 14 other countries.