How do I properly resize and compress images in WordPress?

To properly resize and compress images in WordPress 6+, follow these best practices:

  • Before uploading: Resize images to the maximum dimensions needed for your site
  • Use appropriate file formats: JPEG for photographs, PNG for graphics with transparency
  • Enable WordPress compression: Navigate to Settings > Media to set maximum dimensions
  • Use optimization plugins: Install and configure plugins like Imagify or EWWW Image Optimizer

For manual compression, you can use online tools like TinyPNG before uploading. Remember to maintain aspect ratios when resizing and always keep backup copies of original images.