What is the significance of the as attribute when using rel="preload" in the <link> element?

The as attribute specifies the type of content being preloaded, aiding in request prioritization.

When using rel="preload" in the <link> element, the as attribute is crucial as it defines the type of content being preloaded, such as font, image, or script. This information helps the browser prioritize requests and apply the correct content security policy. It ensures that the preloaded resource is handled appropriately, improving loading performance.

<link rel="preload" href="font.woff2" as="font" type="font/woff2" crossorigin="anonymous" />