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How can I optimize WordPress database queries for better performance?
Asked on Dec 14, 2025
Answer
Optimizing WordPress database queries can significantly enhance your site's performance by reducing load times and server resource usage. This involves using efficient query practices and tools to ensure your database interactions are as fast as possible.
<!-- BEGIN COPY / PASTE -->
// Example of using WP_Query with optimized parameters
$args = array(
'post_type' => 'post',
'posts_per_page' => 10,
'no_found_rows' => true, // Avoids counting total rows for pagination
'update_post_meta_cache' => false, // Disables post meta caching
'update_post_term_cache' => false, // Disables term caching
);
$query = new WP_Query($args);
<!-- END COPY / PASTE -->Additional Comment:
- Use object caching plugins like Redis or Memcached to store query results and reduce database load.
- Regularly clean up your database using plugins like WP-Optimize to remove unnecessary data.
- Consider using a Content Delivery Network (CDN) to offload static resources and reduce server requests.
- Analyze slow queries using tools like Query Monitor to identify and optimize them.
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