AdAction is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
AdAction has better usage coverage in more websites categories. Including Business & Industry, Shopping, Marketing & Advertising, Science and 80 other categories.
AdvertiseSpace is leading in People & Society, Arts & Entertainment, Internet & Telecom, Computer & Electronics and 37 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 42 other countries.
AdvertiseSpace is leading in India, Indonesia, Singapore, Russia and 18 other countries.