Impresiones Web is leading in Top 1M Sites.
Microsoft adCenter Conversion has better usage coverage in more websites categories. Including Business & Industry, Shopping, Travel, Health and 48 other categories.
Impresiones Web is leading in People & Society, Arts & Entertainment, Adult, Music & Audio and 43 other categories.
Impresiones Web is leading in most countries, including Spain, Mexico, Argentina, Peru and 40 other countries.
Microsoft adCenter Conversion is leading in United States, United Kingdom, Canada, South Korea and 18 other countries.