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, Business & Industry, News & Media, People & Society and 67 other categories.
Marktest hasn't got a lead over InsightExpress in any websites category.
InsightExpress is leading in most countries, including United States, Australia, Germany, India and 49 other countries.
Marktest is leading in Portugal.