Market Share by Top Websites

1 Act-On is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Sophus3 is clearly lagging behind, losing to Act-On in all segments.

Websites Categories

1 Act-On has better usage coverage in more websites categories. Including Business & Industry, Computer & Electronics, Software, Marketing & Advertising and 158 other categories.

2 Sophus3 is leading in Autos & Vehicles, Automotive Industry, Makes & Models, Car Buying and one other category.


1 Act-On is leading in most countries, including United States, United Kingdom, India, Canada and 101 other countries.

2 Sophus3 is leading in Italy, Poland, Luxembourg and Bosnia.