Build, deploy and manage robust, agile and reusable SOA business applications and services of all types while reducing application infrastructure costs with IBM WebSphere Application Server.
Phusion Passenger - a.k.a. mod_rails or mod_rack - is a web server and application server, designed to be fast, robust and lightweight. Administration tools allow you to gain insight into web application operations and server performance.
Phusion Passenger is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, IBM Websphere Application Server is clearly lagging behind, losing to Phusion Passenger in all segments.
Phusion Passenger has better usage coverage in more websites categories. Including Computers Electronics & Technology, Business & Consumer Services, Science & Education, Games and 20 other categories.
IBM Websphere Application Server hasn't got a lead over Phusion Passenger in any websites category.
Phusion Passenger is leading in most countries, including United States, Japan, Canada, United Kingdom and 159 other countries.
IBM Websphere Application Server hasn't got a lead over Phusion Passenger in any country.