Redis stores the results of database queries in memory, speeding up dynamic pages and wp-admin that page caching can’t help.
1. Enable Redis in DirectAdmin
Open Advanced Features then Redis and enable it. Note the connection details shown — usually a Unix socket path for your account.
2. Connect WordPress
Install a Redis object cache plugin and configure it with the socket path. With many plugins this is set in wp-config.php, for example:
define('WP_REDIS_SCHEME', 'unix');
define('WP_REDIS_PATH', '/home/USERNAME/.redis/redis.sock');
Use the exact path DirectAdmin shows.
3. Confirm it works
The plugin’s status screen should show Connected and growing hit counts.
When it helps
Logged-in users, shops, membership sites and busy admin areas. For a simple brochure site, page caching alone is usually enough. Caching WordPress on shared hosting