eProof is leading in Top 10K Sites and Top 100K Sites.
Vertster has better usage coverage in more websites categories. Including Computer & Electronics, Computer Hardware, Internet & Telecom, People & Society and 10 other categories.
eProof is leading in News & Media, Accounting, Finance, Arts & Entertainment and one other category.
Vertster is leading in most countries, including Australia, Malaysia and United Kingdom.
eProof is leading in United States and Egypt.