Bing Advertiser
316,160 websites

Bing Advertiser costs money

http://advertise.bingads.microsoft.com/en-us/help-topic/how-to/51049/how-can-i-track-conversions-and-other-site-activities-for-my-campaign

Bing Advertisers.

VS

Criteo Advertiser
122,924 websites

Criteo Advertiser costs money

http://www.criteo.com

Advertisers using Criteo

Market Share by Top Websites

1 Bing Advertiser is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Criteo Advertiser is clearly lagging behind, losing to Bing Advertiser in all segments.

Websites Categories

1 Bing Advertiser has better usage coverage in more websites categories. Including Computers Electronics & Technology, Lifestyle, Business & Consumer Services, Finance and 18 other categories.

2 Criteo Advertiser is leading in E-commerce & Shopping and Games.

Geography

1 Bing Advertiser is leading in most countries, including United States, United Kingdom, Canada, France and 148 other countries.

2 Criteo Advertiser is leading in Japan, South Korea, Russia, Poland and 7 other countries.