Google PageSpeed shows me an error "Properly size images" on mobile.
it loads the wrong link (mobile only): wp-content/uploads/2019/07/od-nave-yaad-1024x1024.jpg
What am I doing wrong?
<picture width="150" height="150" class="attachment-thumbnail size-thumbnail">
<source type="image/webp" sizes="(max-width: 150px) 100vw, 150px" srcset="wp-content/uploads/2019/07/od-nave-yaad-150x150.jpg.webp, wp-content/uploads/2019/07/od-nave-yaad-1024x1024.jpg.webp 1024w, wp-content/uploads/2019/07/od-nave-yaad.jpg.webp 300w">
<img src="wp-content/uploads/2019/07/od-nave-yaad-150x150.jpg" alt="" sizes="(max-width: 150px) 100vw, 150px" srcset="wp-content/uploads/2019/07/od-nave-yaad-150x150.jpg 150w, wp-content/uploads/2019/07/od-nave-yaad-1024x1024.jpg 1024w, wp-content/uploads/2019/07/od-nave-yaad.jpg 300w">
</picture>