Market Share by Top Websites

1 SpotX is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

2 In terms of market share, Microsoft adCenter Conversion is clearly lagging behind, losing to SpotX in all segments.

Websites Categories

1 Microsoft adCenter Conversion has better usage coverage in more websites categories. Including Business & Industry, Shopping, Health, Computer & Electronics and 63 other categories.

2 SpotX is leading in News & Media, Arts & Entertainment, Autos & Vehicles, Car Buying and 51 other categories.


1 SpotX is leading in most countries, including United States, Netherlands, Germany, Spain and 38 other countries.

2 Microsoft adCenter Conversion is leading in Canada, France, China, Romania and 18 other countries.