682 MySQL queries ! It seems that caches are disabled, you should check the following settings in site.ini (use /settings/view in your admin interface) :
* [ContentSettings]/ViewCaching
* [TemplateSettings]/TemplateCompile * [TemplateSettings]/TemplateCache
[TemplateSettings]
Debug=disabled
ShowXHTMLCode=disabled
# better to use this to see witch templates are used then the ones above, but disable in production
ShowUsedTemplates=enabled
TemplateCompile=enabled
TemplateCache=enabled
# enable during development, makes the code check modified time on templates (clear compiled cache when you change this!)
DevelopmentMode=disabled
And install ezjaxx or any other ajax content structure menu extension.