The HTML <picture> element allows you to define different images for different browser window sizes.
Resize the browser window to see how the image below changes depending on the width:
Show Different Images Depending on Browser Width
Resize the browser width and the image will change at 600px and 1500px.
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<h2>Show Different Images Depending on Browser Width</h2>
<p>Resize the browser width and the image will change at 600px and 1500px.</p>
<picture>
<source srcset="/images/computer_lab.jpg" media="(max-width: 600px)">
<source srcset="/images/cat.jpg" media="(max-width: 1500px)">
<source srcset="/images/kitten.gif">
<img src="/images/cat.jpg" alt="cat" style="width:auto;">
</picture>
</body>
</html>
