InsightExpress is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
InsightExpress has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, News & Media, People & Society and 64 other categories.
Vertster is leading in Relationships & Dating.
InsightExpress is leading in most countries, including United States, China, Australia, Japan and 40 other countries.
Vertster hasn't got a lead over InsightExpress in any country.