Market Share by Top Websites

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

2 In terms of market share, Heap Analytics 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 139 other categories.

2 Heap Analytics is leading in Death, Social Network, Games, Mobile Developers and 24 other categories.


1 Act-On is leading in most countries, including United States, United Kingdom, India, Canada and 92 other countries.

2 Heap Analytics is leading in Romania, Estonia, Kenya, Sri Lanka and 9 other countries.