php - If I use mod_deflate, will stripping whitespace in my outputted HTML files also help increase speed? -

i using htaccess through apache gzip contents of html, css , js files served.

i use program called koala automatically minifies js , css output have 0 whitespace, since using php dynamically generated html code, there no clear way eliminate unnecessary whitespace in html file gets served browser.

since gzipping contents of file, necessary @ all?