Microsoft adCenter Conversion is leading in Top 1M Sites.
Microsoft adCenter Conversion has better usage coverage in more websites categories. Including Business & Industry, Shopping, Health, Computer & Electronics and 90 other categories.
Spark Studios is leading in Lottery, Animation & Comics, Movies, Weight Loss and one other category.
Microsoft adCenter Conversion is leading in most countries, including United States, United Kingdom, Canada, France and 39 other countries.
Spark Studios is leading in Argentina.