wordpress debug 500 error

Edit wp-config.php file

Add next string

define('WP_DEBUG', true);

apache + nginx wordpress dynamic cache

nginx.conf http section

    proxy_cache_path /var/cache/nginx levels=2 keys_zone=cache:10m inactive=60m max_size=1024m;
    proxy_cache_key "$host$request_uri $cookie_user";
    proxy_temp_path  /var/cache/nginx/temp;
    proxy_ignore_headers Expires Cache-Control;
    proxy_cache_use_stale error timeout invalid_header http_502;
    proxy_cache_valid any 1d;

location config:

    location / {
        proxy_pass      http://127.0.0.1:8080;
        proxy_pass_header "X-Accel-Redirect";
        proxy_pass_header "X-Accel-Expires";
        proxy_cache cache;

nginx + php-fpm + wordpress, dynamic cache

Add to /etc/nginx/nginx.conf to http section

log_format  cache '$remote_addr - [$time_local] "$host$request_uri" $status $upstream_cache_status';
fastcgi_cache_path /var/cache/nginx/cache levels=1:2 keys_zone=dynamic:100m inactive=5m;
fastcgi_cache_key "$scheme://$host$request_uri";

Add to your virtualhost to location section

        fastcgi_pass_header "X-Accel-Redirect";
        fastcgi_pass_header "X-Accel-Expires";
        fastcgi_cache dynamic;
        fastcgi_cache_key $scheme$host$request_uri$request_method;
        fastcgi_pass_header Set-Cookie;
        fastcgi_pass_header Cookie;
        fastcgi_ignore_headers Cache-Control Expires Set-Cookie;
        fastcgi_cache_valid 200 301 302 10m;
        access_log /var/log/nginx/access-cache.log cache;

then reload nginx

nginx -t && nginx -s reload

Thats all

удалите из верхней части страницы код javascript и css блокирующий отображение wordpress

в папке с темой находим functions.php и добавляем в самый низ файл код

/**
 * Load Enqueued Scripts in the Footer
 *
 * Automatically move JavaScript code to page footer, speeding up page loading time.
 */
function footer_enqueue_scripts() {
   remove_action('wp_head', 'wp_print_scripts');
    remove_action('wp_head', 'wp_print_head_scripts', 9);
    remove_action('wp_head', 'wp_enqueue_scripts', 1);
    add_action('wp_footer', 'wp_print_scripts', 5);
    add_action('wp_footer', 'wp_enqueue_scripts', 5);
    add_action('wp_footer', 'wp_print_head_scripts', 5);
}
add_action('after_setup_theme', 'footer_enqueue_scripts');