Market Share by Top Websites

1 Responder is leading in Top 1M Sites and The Entire Web.

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

Websites Categories

1 Responder has better usage coverage in more websites categories. Including Business & Industry, People & Society, Health, Shopping and 88 other categories.

2 Rackspace MailGun is leading in Software and Mobile Developers.

Geography

1 Responder is leading in most countries, including Israel, United States, United Kingdom, Germany and 8 other countries.

2 Rackspace MailGun is leading in India, Brazil, Switzerland, Peru and one other country.