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.
Zend Server, the Professional PHP Distribution with Advanced Value-add Capabilities
Zend Server is leading in Top 100K Sites, Top 1M Sites and The Entire Web.
IBM Websphere Application Server is leading in Top 10K Sites.
Zend Server has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Adult, Law & Government and 20 other categories.
IBM Websphere Application Server hasn't got a lead over Zend Server in any websites category.
Zend Server is leading in most countries, including China, United States, Japan, Russia and 81 other countries.
IBM Websphere Application Server is leading in Barbados, El Salvador and Jamaica.