我编写了一个php代码，它可以过滤所有html元素，但集成在主索引中。根上的php。这样可以加快渲染速度，但您也可以对所有图像和媒体执行CDN。这会使你的页面速度更快。I法线点/wp-content/uploads/ 到子域和我的WP从该子域获取所有媒体，这使WP的速度提高了20倍。

UPDATE

注意：如果您的源代码包含不符合规则的错误javascript或css，则可能会破坏网站。但我在大约100个模板上使用它，我从来没有遇到过一些问题。与Elementor和WC Builder合作愉快

/* ----------------------------------------------------------------------------

   W3C Fix and HTML minifier by Ivijan-Stefan Stipic <[email protected]>

---------------------------------------------------------------------------- */
add_action(\'wp_loaded\', \'atm_output_buffer_start\');
add_action(\'shutdown\', \'atm_output_buffer_end\');

function atm_output_buffer_start() { 
    ob_start("atm_output_callback");
}

function atm_output_buffer_end() { 
    ob_get_clean();
}

function atm_output_callback($buffer) {
    if(!is_admin() && !(defined(\'DOING_AJAX\') && DOING_AJAX))
    {
        // Remove type from javascript and CSS
        $buffer = preg_replace( "%[ ]type=[\\\'\\"]text\\/(javascript|css)[\\\'\\"]%", \'\', $buffer );
        // Add alt attribute to images where not exists
        $buffer = preg_replace( \'%(<img(?!.*?alt=([\\\'"]).*?\\2)[^>]*?)(/?>)%\', \'$1 alt="" $3\', $buffer );
        $buffer = preg_replace( \'%\\s+alt="%\', \' alt="\', $buffer );
        // clear HEAD
        $buffer = preg_replace_callback(\'/(?=<head(.*?)>)(.*?)(?<=<\\/head>)/s\',
        function($matches) {
            return preg_replace(array(
                \'/<!--(?!\\s*(?:\\[if [^\\]]+]|<!|>))(?:(?!-->).)*-->/s\', // delete HTML comments
                /* Fix HTML */
                \'/\\>[^\\S ]+/s\',  // strip whitespaces after tags, except space
                \'/[^\\S ]+\\</s\',  // strip whitespaces before tags, except space
                \'/\\>\\s+\\</\',    // strip whitespaces between tags
            ), array(
                \'\',
                /* Fix HTML */
                \'>\',  // strip whitespaces after tags, except space
                \'<\',  // strip whitespaces before tags, except space
                \'><\',   // strip whitespaces between tags
            ), $matches[2]);
        }, $buffer);
        // clear BODY
        $buffer = preg_replace_callback(\'/(?=<body(.*?)>)(.*?)(?<=<\\/body>)/s\',
        function($matches) {
            return preg_replace(array(
                \'/<!--(?!\\s*(?:\\[if [^\\]]+]|<!|>))(?:(?!-->).)*-->/s\', // delete HTML comments
                /* Fix HTML */
                \'/\\>[^\\S ]+/s\',  // strip whitespaces after tags, except space
                \'/[^\\S ]+\\</s\',  // strip whitespaces before tags, except space
                \'/\\>\\s+\\</\',    // strip whitespaces between tags
            ), array(
                \'\', // delete HTML comments
                /* Fix HTML */
                \'>\',  // strip whitespaces after tags, except space
                \'<\',  // strip whitespaces before tags, except space
                \'> <\',   // strip whitespaces between tags
            ), $matches[2]);
        }, $buffer);
        $buffer = preg_replace_callback(\'/(?=<script(.*?)>)(.*?)(?<=<\\/script>)/s\',
        function($matches) {
            return preg_replace(array(
                \'@\\/\\*(.*?)\\*\\/@s\', // delete JavaScript comments
                \'@((^|\\t|\\s|\\r)\\/{2,}.+?(\\n|$))@s\', // delete JavaScript comments
                \'@(\\}(\\n|\\s+)else(\\n|\\s+)\\{)@s\', // fix "else" statemant
                \'@((\\)\\{)|(\\)(\\n|\\s+)\\{))@s\', // fix brackets position
                //\'@(\\}\\)(\\t+|\\s+|\\n+))@s\', // fix closed functions
                \'@(\\}(\\n+|\\t+|\\s+)else\\sif(\\s+|)\\()@s\', // fix "else if"
                \'@(if|for|while|switch|function)\\(@s\', // fix "if, for, while, switch, function"
                \'@\\s+(\\={1,3}|\\:)\\s+@s\', // fix " = and : "
                \'@\\$\\((.*?)\\)@s\', // fix $(  )
                \'@(if|while)\\s\\((.*?)\\)\\s\\{@s\', // fix "if|while ( ) {"
                \'@function\\s\\(\\s+\\)\\s{@s\', // fix "function ( ) {"
                \'@(\\n{2,})@s\', // fix multi new lines
                \'@([\\r\\n\\s\\t]+)(,)@s\', // Fix comma
                \'@([\\r\\n\\s\\t]+)?([;,{}()]+)([\\r\\n\\s\\t]+)?@\', // Put all inline
            ), array(
                "\\n", // delete JavaScript comments
                "\\n", // delete JavaScript comments
                \'}else{\', // fix "else" statemant
                \'){\', // fix brackets position
                //"});\\n", // fix closed functions
                \'}else if(\', // fix "else if"
                "$1(",  // fix "if, for, while, switch, function"
                " $1 ", // fix " = and : "
                \'$\'."($1)", // fix $(  )
                "$1 ($2) {", // fix "if|while ( ) {"
                \'function(){\', // fix "function ( ) {"
                "\\n", // fix multi new lines
                \',\', // fix comma
                "$2", // Put all inline
            ), $matches[2]);
        }, $buffer);
        // Clear CSS
        $buffer = preg_replace_callback(\'/(?=<style(.*?)>)(.*?)(?<=<\\/style>)/s\',
        function($matches) {
            return preg_replace(array(
                \'/([.#]?)([a-zA-Z0-9,_-]|\\)|\\])([\\s|\\t|\\n|\\r]+)?{([\\s|\\t|\\n|\\r]+)(.*?)([\\s|\\t|\\n|\\r]+)}([\\s|\\t|\\n|\\r]+)/s\', // Clear brackets and whitespaces
                \'/([0-9a-zA-Z]+)([;,])([\\s|\\t|\\n|\\r]+)?/s\', // Let\'s fix ,;
                \'@([\\r\\n\\s\\t]+)?([;:,{}()]+)([\\r\\n\\s\\t]+)?@\', // Put all inline
            ), array(
                \'$1$2{$5} \', // Clear brackets and whitespaces
                \'$1$2\', // Let\'s fix ,;
                "$2", // Put all inline
            ), $matches[2]);
        }, $buffer);

        // Clean between HEAD and BODY
        $buffer = preg_replace( "%</head>([\\s\\t\\n\\r]+)<body%", \'</head><body\', $buffer );
        // Clean between BODY and HTML
        $buffer = preg_replace( "%</body>([\\s\\t\\n\\r]+)</html>%", \'</body></html>\', $buffer );
        // Clean between HTML and HEAD
        $buffer = preg_replace( "%<html(.*?)>([\\s\\t\\n\\r]+)<head%", \'<html$1><head\', $buffer );
    }

    return $buffer;
}