If no images are found:
1. There really are no images on the page.
2. Some search parameters are disabled in the extension settings.
3. The image is blocked by some ad blocker, for example ADBlock.
4. What you see on the page is not actually an image, but, for example, an icon font.
5. The image is part of an IFRAME object, the parsing of which, alas, is not implemented.
6. The extension cannot search for this type of image, and this is sad.
Note:
The extension ignores images with a real size of 1x1 px.
The extension ignores SVG link images (xlink:href).
