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 Business & Industry, Arts & Entertainment, People & Society, Health and 186 other categories.

2 Yahoo Business Email is leading in Marketing & Advertising, Internet & Telecom, Shopping, News & Media and 46 other categories.


1 Rackspace Email is leading in most countries, including United States, United Kingdom, Canada, India and 146 other countries.

2 Yahoo Business Email is leading in Russia, Ukraine, Kazakhstan, Belarus and 27 other countries.