How to interpret the Optimization Report

The Optimization Report is a very useful tool offered by ShortPixel that lets you check exactly what happened with your images.

The Optimization Report is located in your account:

If you are a SPIO (ShortPixel Image Optimizer) user you can find it also on the Statistics panel of your ShortPixel settings, by clicking on the link "See report (last 30 days)":

Once in, section Optimization Report, you will find the usage stats for the last 30 days, organized in 2 columns:

  1. API calls: every time one of our plugins optimizes an image more than 5%, it will be counted here.
  2. Free calls: if an image is optimized less than 5% or if it cannot be optimized (because it already is), it will be counted here.

Downloading the Optimization Report

If you click on the big red  DOWNLOAD REPORT button on your account, you will download a CSV file with more and useful information about your compressed images. This is the same CSV file you will get from the Statistics panel of your ShortPixel settings.

The CSV files will have several columns:

  1. Date: the date of the optimization.
  2. URL or Path (IP): here you will see the exact URL of the optimized image. You will find several types of URLs:
    1. --> image optimized with our online optimizer.
    2. --> image optimized with ShortPixel Image Optimizer (note: instead of "", you will see your actual domain).
    3.,q_loss... --> image optimized with ShortPixel Adaptive Images.
    4.,q_loss... --> image optimized with Autoptimize.
    5. --> image optimized with our Shopify integration.
  3. Original Size: the original size of the image.
  4. Lossless Size: the size of the compressed image using the Lossless method. Pay attention that you will always see this size displayed, because ShortPixel always generates the Lossless version for technical reasons (but we only count it if you choose to use it ;-) )
  5. Glossy Size: the size of the compressed image using the Glossy method. If you didn't choose Glossy, then a N/A will be displayed instead.
  6. Lossy Size: the size of the compressed image using the Lossy method. If you didn't choose Lossy, then a N/A will be displayed instead.
  7. Percent Improvement: the percentage of improvement your image got.
  8. Details: if there is any additional information to be considered, it will be shown here.

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