Market Share by Top Websites

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

2 Despite its recent growth, Act-On is still behind Signal in all market share segments.

Websites Categories

1 Signal has better usage coverage in more websites categories. Including Autos & Vehicles, Travel, Accommodation & Hotels, Car Buying and 108 other categories.

2 Act-On is leading in Business & Industry, Computer & Electronics, Software, Marketing & Advertising and 68 other categories.


1 Signal is leading in most countries, including United States, Germany, Brazil, Japan and 112 other countries.

2 Act-On is leading in India, Netherlands, Israel, Pakistan and 22 other countries.