Market Share by Top Websites

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

2 In terms of market share, Engage Sciences is clearly lagging behind, losing to adRom in all segments.

Websites Categories

1 adRom has better usage coverage in more websites categories. Including Business & Industry, Autos & Vehicles, Finance, Shopping and 112 other categories.

2 Engage Sciences is leading in Gambling, Pets & Animals, Magazines & E-Zines, Recreation & Hobbies and 28 other categories.


1 adRom is leading in most countries, including United States, United Kingdom, Germany, Canada and 98 other countries.

2 Engage Sciences is leading in Cyprus, Malawi and Micronesia.