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I'm hoping to start a conversation with this thread about what really needs to be done to speed up these killer RocketTheme sites.
For my site I run Yslow and Google Page Speed and get a very poor grade.
I have set the following :
1. Global Config - Gzip ON, Joomla cache OFF (thought somewhere I needed to have this OFF)
2. RokGZipper - enabled
3. checked with my host (bluehost) - they do support gzip and I've added some code to my .htaccess for this
4. tried to enable CssJsCompress - appeared to do some things but tweaked the site ... turned it OFF
Main culprits for the poor speed grades are :
1. missing expire headers - mostly due to 3rd party extensions - how do you fix this ? I tried a few .htaccess mods but they don't seem to be actually doing anything - must have something wrong ...
2. fewer HTTP requests - 13 JS files and 10 CSS - how come they aren't combining better ?
3. Gzip not used - what ? well, it's working for some file but 8 of my CSS or JS files are not Gzipping at all
4. not using a CDN (content delivery network) - is that different from CMS (Joomla) ?
5. Javascript loading at the top (vs. bottom) - how do you fix this ?
6. configure Etags - again, added some code to .htaccess but doesn't seem to help
Any help would be greatly appreciated and I think others will benefit from this thread if it becomes active and information packed!