Market Share by Top Websites

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

2 In terms of market share, AdvertiseSpace is clearly lagging behind, losing to AdReactor in all segments.

Websites Categories

1 AdvertiseSpace has better usage coverage in more websites categories. Including People & Society, Internet & Telecom, Computer & Electronics, Software and 62 other categories.

2 AdReactor is leading in Arts & Entertainment, Music & Audio, Shopping, Adult and 27 other categories.


1 AdReactor is leading in most countries, including Indonesia, India, United States, Japan and 66 other countries.

2 AdvertiseSpace is leading in Mexico, Australia, New Zealand, Hong Kong and 5 other countries.