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How can I optimize WordPress database queries for better performance?
Asked on Feb 14, 2026
Answer
Optimizing WordPress database queries is essential for improving site performance, especially on high-traffic sites. This involves using efficient coding practices and tools to reduce query load and execution time.
<!-- 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, // Reduces meta data cache load
'update_post_term_cache' => false, // Reduces term cache load
);
$query = new WP_Query($args);
<!-- END COPY / PASTE -->Additional Comment:
- Use caching plugins like WP Super Cache or W3 Total Cache to reduce database load.
- Regularly clean up your database using plugins like WP-Optimize to remove unnecessary data.
- Consider using a database optimization service like Query Monitor to identify slow queries.
- Ensure your hosting environment is optimized for WordPress, including using the latest PHP version.
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