From your dashboard, go to SEO Tools and click Image Compression.
In the Image Compression section, you’ll see a list of your product images with their names and compression status.
Find an image marked as “Uncompressed.”
Click Compress. The status will change to “Scheduled to compress.”
Click Check status to see if the process is finished. When it’s done, the status will show as “Compressed.”
You can also use the dropdown menu at the top to filter your images by all, compressed, or uncompressed.