To correctly configure Nginx to support WordPress, you need to complete the following steps: 1. Create a virtual host configuration file, set the domain name, website root directory, and ensure that the pseudo-static rules are included try_files; 2. Configure the PHP processing module, enable PHP-FPM and correctly set the fastcgi-pass path; 3. Enable the pseudo-static function, rely on the try_files directive to achieve a fixed link-friendly format; 4. Configure the SSL certificate to support HTTPS, it is recommended to use Let's Encrypt free certificate, and add HTTP to HTTPS 301 redirect; 5. Perform performance optimization, including turning on static resource caching, limiting upload size, and enabling Gzip compression, thereby improving loading speed and user experience.

Nginx is a high-performance web server suitable for running WordPress sites. Compared with Apache, its configuration is slightly more complex, but it has better performance and lower resource utilization. Here are some key steps and suggestions to help you properly configure Nginx to support WordPress.

Basic configuration: Set up virtual host

First, you need to create an Nginx site configuration file, usually placed in /etc/nginx/sites-available/ directory. The content is roughly as follows:

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

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

    location / {
        try_files $uri $uri/ /index.php?$args;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php-fpm.sock;
    }

    location ~ /\.ht {
        deny all;
    }
}

• server_name should be replaced with your domain name.
• root points to your WordPress installation directory.
• The line try_files is important, and WordPress's pseudostatic dependency is dependent on it.
• Make sure that the PHP processing module is installed and enabled, such as PHP-FPM.

Don't forget to create a symbolic link to sites-enabled with ln -s and restart Nginx.

Enable pseudostatic: Permalinks work properly

The default Permalinks for WordPress is ?p=123 format. If you change to the format /year/month/postname , you must enable pseudostatic rules in Nginx.

The above basic configuration actually contains this function, and the key is this line:

 try_files $uri $uri/ /index.php?$args;

The meaning of this command is: If the requested file or directory does not exist, it is handed over to index.php for processing, so that WordPress can parse the correct article page.

Support HTTPS: Configure SSL certificates

Many websites now have HTTPS enabled, and you can use Let's Encrypt free certificate to implement it.

Assuming you have obtained the certificate through Certbot, your configuration should look like this:

 server {
    listen 443 ssl;
    server_name example.com www.example.com;

    ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;

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

    location / {
        try_files $uri $uri/ /index.php?$args;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php-fpm.sock;
    }

    location ~ /\.ht {
        deny all;
    }
}

Don't forget to add HTTP to HTTPS redirects:

 server {
    listen 80;
    server_name example.com www.example.com;
    return 301 https://$host$request_uri;
}

Performance optimization tips

In order to improve WordPress' performance on Nginx, you can add several simple optimization configurations:

• Turn on cache : Add cache headers to static resources to reduce duplicate requests:

   location ~ \.(jpg|jpeg|png|gif|css|js|woff|ttf)$ {
      expires 30d;
      access_log off;
  }

• Limit upload size : Avoid problems caused by users uploading too large files:

   client_max_body_size 64M;

• Compressed output : Enable Gzip to reduce the transmission volume:

   gzip on;
  gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml rss text/javascript;

  Although these details are not mandatory, they have significantly improved user experience and loading speed.

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  Basically that's it. As long as the basic configuration is correct, there is no problem with pseudo-static and HTTPS. With a little performance optimization, WordPress will run very stably on Nginx.

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