Hello there,

and can We add the code line to config NGINX that Keycdn advise? Serverpilot say that we should not make changes in that file.

Any Idea please?

Thank you very much!

Step 3) Nginx Config#
In this step, we’re going to make some configuration adjustments to the Nginx config file. These rules define when to bypass the cache as well as define cache-control values.

server {
    server_name origin.example.com;
    listen 80;

    root /var/www/example;
    index index.php index.html index.htm;

    set $cache_path $request_uri;

    # bypass cache for POST requests
    if ( $request_method = POST ) {
        set $cache_path 'nocache';
    }

    # don't cache login/admin URLs
    if ($request_uri ~* "/(wp-login.php|wp-admin|login.php|backend|admin)"){
        set $cache_path 'nocache';
    }

    # don't cache if there is a cookie called PHPSESSID
    if ($http_cookie ~* "PHPSESSID"){
        set $cache_path 'nocache';
    }

    # bypass cache for logged in users
    if ( $http_cookie ~ (wp-postpass|wordpress_|comment_author)_ ) {
        set $cache_path 'nocache';
    }

    # bypass cache if query string not empty
    if ( $query_string ) {
        set $cache_path 'nocache';
    }

    location / {
        # this line is specific to Cache Enabler
        try_files /wp-content/cache/cache-enabler/${http_host}${cache_path}index.html $uri $uri/ /index.php?$args;

        if ($cache_path = 'nocache') {
            expires -1;
            add_header Cache-Control no-cache;
        }
    }

    # php7 fastcgi
    location ~ \.php$ {
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass unix:/run/php/php7.0-fpm.sock;
        fastcgi_index index.php;
        include fastcgi_params;
        ...

        fastcgi_intercept_errors on;

        if ($cache_path = 'nocache') {
            expires -1;
            add_header Cache-Control no-cache;
        }
        if ($cache_path != 'nocache') {
            expires +1h;
        }
    }

    # static assets
    location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ {
        log_not_found off;

        add_header Cache-Control "max-age=604800, stale-while-revalidate=86400, stale-if-error=604800";
    }
}