How to optimize images for the web

Optimizing images for the web is crucial for improving website performance and user experience. Reduced file sizes lead to faster load times, which can boost SEO rankings and keep visitors engaged.

Why Optimize Images?

  • Faster loading time improves user experience.
  • Lower bounce rates lead to better SEO results.
  • Reduced bandwidth costs for both users and servers.

Image Optimization Techniques

  1. Use Proper File Formats: JPEG for photos, PNG for images with transparency, and SVG for vector graphics.
  2. Compress Images: Tools like TinyPNG or ImageOptim can significantly reduce file size.
  3. Use Responsive Images: Use the 'srcset' attribute to serve different image sizes based on the user's device.

Example Code

<img src="example-image.jpg" alt="Example Image" srcset="example-image-small.jpg 500w, example-image-medium.jpg 1000w, example-image-large.jpg 2000w" sizes="(max-width: 600px) 500px, (max-width: 1200px) 1000px, 2000px">

optimize images image compression web performance SEO responsive images

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