TruEffect is leading in Top 100K Sites and Top 1M Sites.
TruEffect has better usage coverage in more websites categories. Including News & Media, Business & Industry, People & Society, Arts & Entertainment and 24 other categories.
Vertster is leading in Search Engine and Computer Hardware.
TruEffect is leading in most countries, including United States, Japan, United Kingdom, Russia and 17 other countries.
Vertster is leading in Australia and China.