How To Optimize Images For Your WordPress Blog

If you run a WordPress blog then chances are you upload images to it.

A well designed WordPress blog will give you multiple ways to layout your images. But there are some technical aspects to consider when uploading large files to your WordPress blog.

The biggest consideration is performance.

For every image you upload, your WordPress site must send more resources to the end user’s computer to enjoy your blog.

Therefore, it’s important you optimize each image to minimize the image burden on your end user’s computer. Here is how to do it.

How to resize your image

First and foremost, most computer screens can display images at 1920 pixels (aside from 4k).

So open your favorite photo editing software and change the width of the image to 1920 pixels.
How to resize your images for a WordPress blog

Now it’s time to optimize your image

Without getting too technical you need to smush your images’ pixels.

You can use a service like for this.

  • Upload your image to
  • Allow to do its thing
  • Download the new optimized image

You will be able to see how much the image was optimized.

For Mac users, ImageOptim is my go to tool for resizing a bunch of images at once.

What it looks like after works its magic

You can now upload this new image to your WordPress blog

By uploading this image to your WordPress blog you are going to…

  • Increase your site’s speed
  • Reduce the number of resources being sent to your blog readers
  • Taking the load off your website’s server

When you run your site through a service like Google PageSpeed Insights you will notice your images are compressed and you aren’t being told to compress them.

Properly formatting and compressing images can save many bytes of data.
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