Market Share by Top Websites

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

2 In terms of market share, autosend is clearly lagging behind, losing to Customer IO in all segments.

Websites Categories

1 Customer IO has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Shopping, Arts & Entertainment and 108 other categories.

2 autosend hasn't got a lead over Customer IO in any websites category.


1 Customer IO is leading in most countries, including United States, Russia, France, Germany and 67 other countries.

2 autosend is leading in Costa Rica.