Resize the image to smaller dimensions
Crop unnecessary parts
Save in a more compressed format
Reduce JPEG quality
Use WebP or AVIF instead of PNG or JPEG when possible
Compress the image with an image optimizer
Remove metadata and EXIF data
Convert to grayscale if color is not needed
Reduce the number of colors
Use lossy compression when acceptable
Avoid saving multiple times in the same lossy format
Use the correct file format for the image type
Sharpen or adjust before compressing if needed
Batch process images with compression tools