How to Optimise Images in WordPress using ShortPixel

By on November 9th, 2021

ShortPixel Image Optimizer Plugin is also a powerful image compression plugin in the market. It comes with many advanced features and compression tools. The plugin also lets you choose compression formats as well. You will also be able to convert the images in PNG and JPEG formats. ShortPixel Image Optimizer is compatible with Woocommerce, NextGen, and WPML translation. The plugin supports JPEG, PNG, PDF, and GIF formats. However, you can only upload images with a maximum file size of 10 MB. If you want to remove the restriction, then you need to register.

The plugin provides three compression level options – Lossy, Lossless, and Glossy. Also, Lossy compression is the best choice if you look for both optimization and quality. It converts your images to the smallest size. Glossy compression provides high-quality images, so it slightly affects your page speed. However, if you want to keep your images untouched, then you can go for Lossless compression. In lossless, you will get a smaller size reduction compared to Glossy and Lossy. So, let’s discuss the basic features of this plugin in brief, 


  • You will have three compression level options – Lossy, Lossless, and Glossy. If you want quality, then go for Glossy and Lossy. If you’re going to maintain the original quality, then go for lossless. 
  • The plugin has Woocommerce and NextGen integration as well. 
  • You will have an image file size limit. You can upload file sizes up to 10 MB. 
  • In the free version, you can upload 50 image files simultaneously for optimization, unlike other plugins.
  • You can upload JPEG, PNG, PDF, and GIF formats for compression and optimization. 
  • However, you can optimize only 100 images in its free version monthly. You can upgrade the plan if you want to compress the images using this plugin.

Pricing Details

Shortpixel Image Optimizer is a free to use optimization plugin for WordPress sites. It is available in the WordPress directory for free. The plugin also provides the premium version. It has eight plans containing different no of images optimization per month. The plugin has a free program as well in which you can optimize 100 images per month. If you want to optimize more images, then you can upgrade your plan. The premium plan cost starts from $3.99 to $1000 per month. It depends on no. of images that need to be optimized. Additionally, it will automatically backup the images. Moreover, you can upload 50 files to optimize simultaneously in the free version.

The basic free account allows you to compress up to 100 images per month. However, you will need to upgrade to their paid plans to increase this limit. If you’re using Cloudflare as your WordPress CDN, then you can integrate the service. So your images will be automatically updated with the new version. Hence, ShortPixel is a very efficient image compression plugin.

How to Install and activate ShortPixel Image Optimizer Plugin

The installation process is Straightforward. You can follow the simple steps mentioned below to install and activate the plugin. 

Step 1: First, you need to log in to the WordPress admin dashboard

Step 2: Now, you will see the option “Plugins” on the left-hand side panel of the WordPress dashboard. Click on “Plugins,” then select “Add New.”

Step 3: You will see a search bar on the top right-hand side corner of the dashboard. Now, Search “ShortPixel Image Optimizer Plugin”

Step 4: After that, you need to click on “Install Now.” 

Step 5: After installation, you will need to activate the ShortPixel Image Optimizer Plugin to use it on your site. Now, click on “Activate.” 

Now you have successfully installed and activated the plugin. You can start optimizing the images using this plugin. 

How to Set up ShortPixel Image Optimizer Plugin

After activating the plugin on your site, you can start using this plugin on your site. To optimize the images of your site, you have to do some settings. We have explained step by step guide below on how to use ShortPixel Image Optimizer Plugin,

Step 1: First, go to the “Settings” option on the left-hand side panel of the dashboard. Then select the “Shortpixel” option under the settings.

Step 2: You will be directed to the short pixel setting page. To optimize the images using this plugin, you need to validate the API key. If you already have an API key, you can enter the API key in the box and click on “Validate.” If you don’t have an API key, enter your email address to get the API key. You will get the API key in your email. You can use that API key. Or Also, it allows you to change it to any valid email address that you own. Click on the “Request API key” after entering your email address. 

Step 3: Once you get the API key on mail, you can copy the API key. And paste in the API key field to validate it. 

Step 4: You will be directed to the setup page of ShortPixel. There will be four sections – General, Advanced, Cloudflare API, Statistics, and WP resources. Click on the “General” tab. In this section, you can select the compression type from – Lossy, Glossy and lossless. It also allows you to take a test that will help you decide which option you should go for. However, the Lossy compression type is recommended because it offers the best compression rate. It also maintains the pixels and quality of the original image during the compression process. 

Step 5: Now, you can also apply compression to the image thumbnail. To enable this option, click on “Apply compression also to image thumbnail” under the “Also include thumbnails” section. This option is highly recommended that you optimize the thumbnails as they are usually the images most viewed by end-users. Also, it helps you to generate the most traffic. 

Step 6: You can also save and have a backup of your original images in a separate folder. You will have an image backup section. The plugin also provides the option of removing the EXIF tag from the pictures. EXIF is a set of various pieces of information that are automatically embedded into the image upon creation. It can include GPS position, camera manufacturer, date and time, etc. The removal of EXIF data will lead to a better compression rate. You can easily resize larger images into smaller sizes. It allows you to set the height and width of the images in pixels. You can save space up to 80% after resizing. 

Click on “Save Changes” once you are done with the general settings. If you want to go for bulk optimization of images, then click on “Save and go to bulk process.”

Step 7: After that, you can also customize the advanced settings of this plugin. Click on the “advanced” tab. You can add a custom folder to optimize the images. The plugin will optimize all the pictures and PDFs from that folder and its subfolder. Also, It will automatically convert the PNG images into JPEG. You need to enable the option from the advanced settings. 

Step 8: For the web, images need only RGB format. The images taken from the mobile have CMYK format. You can automatically convert CMYK to RGB format. It also automatically optimizes the media library once the images are uploaded. Suppose you want to optimize the images of the front end which users add. In that case, you can enable the option “Automatically optimize images added by users in the front end” under the Process in front-end option. 

Make sure to save changes in the advanced settings. 

Step 9: The plugin has Cloudflare integration. So, if you are using Cloudflare, then you can insert the API key of Cloudflare in the box. It will allow ShortPixel to work seamlessly with Cloudflare. So that any image optimized or restored by ShortPixel will be automatically updated on Cloudflare as well. You have to enter the Zone ID, which is available in the overview section of the Cloudflare dashboard. Then you can enter the Cloudflare token or Global API key. 

Click on “Save Changes.”

The Statistics section will show the disk space saved, average compression rate, and bandwidth saved by short pixels. You can also check the size of the backup folder. Now, you are ready to optimize all the images on your site as per the settings. This way, you can easily set up the Shortpixel plugin and start optimizing the images by clicking on “Save and go to the bulk process.”


ShortPixel Image Optimizer Plugin is one of the best image optimizer plugins for WordPress sites. You can easily optimize all the images of your site with just one click within the dashboard. The plugin also comes with Cloudflare integration. So, it will automatically optimize the images added to Cloudflare. You can find the plugin in the WordPress plugin directory for free.

The plugin also offers the premium version. Also, you can purchase the premium version to unlock the advanced features of the plugin. However, the plugin provides all essential elements in the free version, which is enough to optimize the images on your site. The installation and setup process is very straightforward. You can follow the steps mentioned below to install and activate the plugin. Also, we have explained step by step guide on how to set up this plugin. We hope this article will help you optimize your site’s images using the ShortPixel Image Optimizer Plugin.

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