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 63 other categories.
Vertster is leading in Computer Hardware.
InsightExpress is leading in most countries, including United States, Australia, China, United Kingdom and 38 other countries.
Vertster hasn't got a lead over InsightExpress in any country.