Long-time Cloud Four readers will be familiar with Jason’s definitive series on responsive images. This article is meant as a shorter companion piece focused on the most common responsive image use case: resolution switching. The responsive images spec is fantastic and covers a lot of use cases, but in my experience, most of the time you’ll only need to understand one of them: Serving a different
![Responsive Images the Simple Way](https://cdn-ak-scissors.b.st-hatena.com/image/square/594651374ee7e84f83cecf1466b8b8d04f17bbc2/height=288;version=1;width=512/https%3A%2F%2Fcloudfour.com%2Fwp-content%2Fuploads%2F2020%2F03%2Fsummary-1200x0-c-default.png)