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Image srcset for external images

  • I was wondering if there’s an extension or some way to create a custom field in which I can drop an image url that’s not part of WordPress library and later extract in theme an img tag with srcset.

    for example, if I paste url like this:
    //someadress.xyz/image.jpg

    I want to get something like this:

    <img srcset="//someadress.xyz/image-400x500.jpg 400w, //someadress.xyz/image-600x750.jpg 600w" sizes="(max-width: 1200px) 400px, 600px" src="//someadress.xyz/image-600x750.jpg" alt="">

  • No. This is dependent on WP knowing what other images exist matching the aspect ratio of the image. WP cannot know what other image sizes exist on some other server.

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