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, Business & Industry and 90 other categories.
Vertster is leading in Computer Hardware, Search Engine, Relationships & Dating and Furniture.
InsightExpress is leading in most countries, including United States, China, Canada, United Kingdom and 42 other countries.
Vertster is leading in Slovenia.