How to Fix Common Image Issues in WordPress

Here are some common image issues in WordPress and how to fix them:

1. Images Not Uploading:

• Check the file size limit in Media Settings.
• Increase PHP upload limits via wp-config.php or php.ini:
  
   

  @ini_set( ‘upload_max_size’ , ‘256M’ );
  @ini_set( ‘post_max_size’, ‘256M’);
  @ini_set( ‘max_execution_time’, ‘300’ );
• Ensure proper folder permissions (wp-content/uploads should be 755 or 775).

2. HTTP Error When Uploading Images:

• Refresh the page and try again.
• Disable plugins that might conflict with the media uploader.
• Increase memory limit in wp-config.php:
  
   

  define(‘WP_MEMORY_LIMIT’, ‘256M’);
• Change the image format (e.g., try JPEG instead of PNG).

3. Broken Images or Thumbnails Not Appearing:

• Regenerate thumbnails using the Regenerate Thumbnails plugin.
• Check image URLs (ensure they are correct and not leading to 404 errors).
• If using a CDN, clear the cache.

4. WordPress Images Are Blurry:

• Use high-quality images before uploading.
• Ensure proper thumbnail sizes in Settings > Media.
• Add the following in functions.php to ensure correct image sizes:
  
   

  add_filter( ‘jpeg_quality’, function( $arg ) { return 100; } );

5. Featured Image Not Displaying:

• Ensure the theme supports featured images:
  
   

  add_theme_support(‘post-thumbnails’);
• Check if the featured image is set correctly in the post editor.

6. Images Not Loading After Migration:

• Update image URLs using the Better Search Replace plugin.
• Ensure the uploads folder is correctly transferred.

7. Images Load Slowly:

• Use image optimization plugins like Smush or Imagify.
• Enable lazy loading (built-in since WordPress 5.5).
• Serve images via a CDN like Cloudflare or BunnyCDN.