prevent image loading for mobile

preventImageLoading.html

<!--The idea is to load base64-encoded 1px transparent gif for some media queries-->
<picture>
   <source media="(max-width: 759px)" srcset="data:image/gifbase64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==">
   <img src="image.png" srcset="[email protected] 2x, [email protected] 3x" height="100" width="100" alt="image">
</picture>

<picture>
   <source srcset="{{img}}" media="(min-width: 768px)" />
   <img srcset="data:image/gifbase64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" alt="{{title}}" width="110" height="110" />
</picture>