'Responsive images' is an umbrella term for a number of image optimization techniques that allow web designers and frontend developers to reduce page weight, improve site speed, and enhance user experience.
As image weight impacts your Largest Contentful Paint score, one of Google's Core Web Vitals metrics included in its search algorithm, you can also improve your SEO rankings by using responsive images.
Since images are a key aspect of web performance, in this article, we'll look into responsive images in detail, including their pros and cons, a handful of code examples, a couple of recommendations, and a bit of theory related to the subject.