W3 Total Cache Compatibility Test

in de Compatibility Test die ik W3 Total Cache liet doen werd het volgende gevonden:
moet ik bepaalde zaken handmatig instellen en zo ja waar kan ik dat doen?
Server Modules & Resources:
PHP Version: 5.2.9
PHP Timezone: Not set
Web Server: Apache
Opcode cache: Not installed
Memcache extension: Not installed
Mime type detection: Not installed
Hash function: hash (required for NetDNA purge support)
Safe mode: Off
Open basedir: Off
zlib output compression: Off
mod_mime: Not detected
mod_expires: Not detected
mod_deflate / mod_gzip: Not detected
mod_headers: Not detected
mod_env: Not detected
mod_setenvif: Not detected
mod_rewrite: Not detected

FTP functions: OK (required for Self-hosted (FTP) CDN support)
Multibyte String support: OK (required for Rackspace Cloud Files support)
cURL extension: OK (required for Amazon S3 support)
zlib extension: OK (required for compression support)