Market Share by Top Websites

1 WordFly is leading in Top 100K Sites and Top 1M Sites.

2 In terms of market share, Rackspace MailGun is clearly lagging behind, losing to WordFly in all segments.

Websites Categories

1 WordFly has better usage coverage in more websites categories. Including Arts & Entertainment, Performing Arts, Music & Audio, Business & Industry and 35 other categories.

2 Rackspace MailGun is leading in Computer & Electronics, Software, Shopping, Finance and 13 other categories.


1 Rackspace MailGun is leading in most countries, including Chile, Russia, Netherlands, India and 3 other countries.

2 WordFly is leading in United States, United Kingdom, Australia, Canada and one other country.