• CTRL->criticalcss->get_theme_criticalcss(); //global critical CSS $inlinecss = (isset($criticalcss_files['global.css'])) ? $this->CTRL->criticalcss->get_file_contents($criticalcss_files['global.css']['file']) : ''; ?>
    Global '.size_format(strlen($inlinecss), 2).''; } else { print 'empty'; } ?> ^
    Beautify Minify Validate CSSLINT
     

    When enabled, the critical CSS is not inlined but instead pushed together with the HTML (documentation).

    Note: When using this feature, make sure that your server supports HTTP/2 Server Push. See the HTTP/2-tab for more information.