Работа с изображениями
Атрибут srcset тега img
<img src="small.jpg" srcset="medium.jpg 1000w, large.jpg 2000w" alt="yah">
Статьи в поддержку:
- https://www.sitepoint.com/how-to-build-responsive-images-with-srcset/
- https://css-tricks.com/responsive-images-youre-just-changing-resolutions-use-srcset/
Тег picture
<picture>
<source media="(min-width: 481px)" srcset="/img/920sdffefw.jpg">
<source srcset="/img/asfasdf320.jpg">
<!-- img tag for browsers that do not support picture element -->
<img src="/img/920sdffefw.jpg">
</picture>