Market Share by Top Websites

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

2 In terms of market share, Rackspace Email is clearly lagging behind, losing to Yahoo Business Email in all segments.

Websites Categories

1 Rackspace Email has better usage coverage in more websites categories. Including Health, People & Society, Travel, Food & Drink and 118 other categories.

2 Yahoo Business Email is leading in Business & Industry, Shopping, Marketing & Advertising, Arts & Entertainment and 114 other categories.


1 Rackspace Email is leading in most countries, including United States, United Kingdom, Canada, India and 170 other countries.

2 Yahoo Business Email is leading in Russia, Ukraine, Belarus, Kazakhstan and 35 other countries.