[1] [2] Despite its excellent performance, it never gained more than a few percentage points (less than 3%) in the global usage of most popular web servers.
[5] While some SPECweb2005 submissions were made using Zeus, by 2008 it was no longer used by the top computer hardware performers.
[7] No new Zeus releases have been made since January 2010,[8] and the company no longer offers a similar server solution.
In July 2011, the company was acquired by Riverbed Technology,[9] who ended support for Zeus on November 30, 2014.
[11] NSAPI and ISAPI were added to ease migrations from Microsoft IIS and Sun Java System Web Server.