Minify HTML
Minifying HTML has the same benefits as those for minifying CSS and JS: reducing network latency, enhancing compression, and faster browser loading and execution. Moreover, HTML frequently contains inline JS code (in
https://developers.google.com/speed/docs/best-practices/payload#MinifyHTML
https://code.google.com/p/page-speed/wiki/MinifyHtml
Compress your HTML code using PHP
function compress_html($a) {
$s = array('/>[^S ]+/s','/[^S ]+</s','/(s)+/s');
$r = array('>','<','1');
$a = preg_replace($s, $r, $a);
$a = str_replace(array('rn','n', 'r', 't'), '', $a);
$a = str_replace(' ', ' ', $a);
$a = str_replace(' ', ' ', $a);
$a = trim($a);
return $a;
}