Why aren't all the images on a page optimized by Autoptimize?

When the image optimization service provided by Autoptimize is on (see Settings > Autoptimize > Images), Autoptimize will look for PNG, GIF and JPG files in "img" tags and in CSS files that are loaded from your own domain, and change the "src" value (the source) to the image served by ShortPixel CDN.

If images are not served by our CDN, then:

  • Your images are loaded from other domains
  • Your images are loaded with an AJAX call

To solve this, you can try using our plugin ShortPixel Adaptive Images.

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