05/12/2019 317
image optimization

If you run an online store, image optimization is an art that you want to master. From attracting shoppers perusing Google images to reducing site load time, image optimization is an important part of building a successful ecommerce website, since your product photography is a cornerstone of your online store.

According to a recent survey, half of the website users expect a website to load within 2 seconds or less. and approx. 40% of the visitors tend to leave the website if it takes more than 3 seconds to load. Image optimization is the only solution for this issue.

According to HTTP Archive, around 65% of a site’s weight is consist of images. If you don’t optimize your website images then your page will load slowly and that will leave a bad impression on your site’s visitors. Image optimization is very important, especially in e-commerce, blog, portfolio, travel and media websites.

  1. What is image optimization?

Image optimization is about reducing the file size of your images as much as possible without sacrificing quality so that your page load times remain low. It’s also about image SEO. That is, getting your product images and decorative images to rank on Google and other image search engines.

  1. How to optimize images for the eCommerce web

The 3 most common file formats available for images include:

  • JPEG
    • The most commonly used file format due to its small size
    • Image quality of JPEGs is lower than PNGs but also has the reduced file size
    • Uses both lossy and lossless compression
    • Traditionally used for saving photos
  • PNG
    • Image quality is high which creates a larger file size
    • Uses lossless compression
    • Used when a transparent background is needed (something JPEG can’t offer)
    • Traditionally used for saving logos and graphics
  • GIF
    • Small file size
    • Uses lossless compression
    • Used for displaying animation
    • Only uses 256 colors

How to optimize image correctly?

  1. Name your images descriptively and in plain language.
  2. Optimize your alt attributes carefully.
  3. Choose your image dimensions and product angles wisely.
  4. Reduce the file size of your images.
  5. Choose the right file type.
  6. Optimize your thumbnails.
  7. Use image sitemaps.
  8. Beware of decorative images.
  9. Use caution when using content delivery networks (CDNs).
  10. Test your images.


  1. Importance of Optimizing Images on Website


  • The importance of images in connecting users to your products has been proven. If your website takes more than 3 seconds to load, users are more likely to abandon it, which will drastically increase your bounce rate, and eventually affect your conversions.


  • Page load speed is the amount of time taken by a web page to load completely. It depends on many factors ranging from your website host to website layout and design. The websites having less than 2 seconds load speed are most loved by its users. So, if you are optimizing 64% of your website’s weight, which is images, you will be improving your website speed. This gives your website visitors a faster experience, thus more users would interact with your product and services.

Once you’ve optimized your images for better performance, your site will be ranked more favorably by search engines, browsers, and networks, and will load faster for overall improved user experience. Get into the right image habits now and you’ll reap the benefits across your entire website.