7 reasons you need a CDN with image optimization

Posted by: 
James Middleton
James Middleton
July 29th, 2021

A picture is worth a thousand words, but delivering the correctly sized image to the proper device in the proper resolution as fast as possible isn’t easy.

If your website hosts lots of images, an image optimizer that integrates with your CDN (Content Delivery Network) can give you greater benefits than a CDN alone - delivering a better user experience, better file security, and reducing your costs.

Image compression software and a CDN image optimization that plugs into your CDN (like Bunny Optimizer) are not the same thing. Most image compression software applications are batch tools used by developers to transform images at build time. You put the original high-quality, large size files in, and the tool generates a limited set of predefined images that will then need to be stored and hosted. There is no real-time adaptation based on the requesting client.

In most cases, a site using this method will have around three fixed formats for images - one size for mobile, one for tablet, and one for larger screen devices like desktops and laptops. But this really only covers a range of scenarios. To optimally cover the full spectrum of screen sizes and connectivity types, you need CDN image optimization like Bunny Optimizer.  

What type of sites would benefit from an image optimizing CDN?

  • Any website with a global or multi-region distributed audience
  • Any popular or traffic-heavy website - especially those that experience traffic spikes
  • Any site with a lot of media such as images and videos
  • Any site with premium or important content that needs protecting
  • Any site that already suffers from performance issues

How do sites benefit from an image optimizing CDN?

  1. Better load time
    Up to 90% faster TTFB (Time To First Byte) and faster overall browsing experience
  2. Automatically select the most efficient format for the image
    Bunny Optimizer converts images to the next-gen WebP format, achieving up to 40% more compression than JPEG and responsive images that are perfect for every screen
  3. Get better rankings on search
    Google increasingly ranks sites based on loading time and user experience rather than content alone. This is especially important where there is high competition among specific content
  4. Protect premium content
    Only serve up the high quality images to a specific audience. Protect images with tokenization
  5. Reliability and availability
    Ensure you can handle seasonal traffic spikes or content going viral with an image optimizer that’s integrated with a CDN and can protect your origin
  6. Reduce operating costs
    By resizing images you can reduce file size by up to 90% meaning lower data transfer fees. Connect to our Perma-Cache and resize once, store forever, reducing traffic from your central storage
  7. Streamline your workflow
    No need to manually crunch images in batches and upload different sizes. Bunny Optimizer takes care of it all


Find out more about Bunny Optimizer