From Forum Nokia Wiki

Official document

Known issues document is published here: http://www.forum.nokia.com/info/sw.nokia.com/id/b3826e41-f123-47a7-bad9-eca1ed66453c/Mobile_Web_Server_Known_Issues.html

Other known issues

• When the Mobile Web Server is started on the phone, the first request that is made to it may take up to 30 seconds to be answered. This is caused by the startup time of all the Python modules.