Image Optimization

  • Choose the right format
    • GIF and PNG are best for small images with few colors and transparencies, such as logos, icons and design elements
    • JPG is the most common but we are moving toward NextGen formats such as WebP and JPG2000
    • Caveat: Most content management systems do not accept NextGen uploads. Use a plugin such as Short Pixel, EWWW Image Optimizer or Smush Pro (all WordPress).
  • Size images to scale: Upload images to the exact size you want to display.
  • Reduce quality to minimum size (Save for Web legacy tool in Photoshop)
  • Change filename to something descriptive
  • Use alt text, content describing what is in your image
    • g., dog jumping over log
    • At least one image on your page should have your targeted keyword in your alt tag
  • Use a caption
    • Google scrapes the content on your page, not the images. The content around each image, including a caption, creates context for what the image is.
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