As long as your site does not have too much personalisation then you need to implement static cache. This will create a HTML version of the site which is fast.
This should mean that speed is not a problem for you. http://ez.no/doc/ez_publish/technical_manual/3_6/reference/configuration_files/site_ini/contentsettings/staticcache
I hope this helps
Tony
Tony Wood : twitter.com/tonywood
Vision with Technology
Experts in eZ Publish consulting & development
