element, optional when rel="modulepreload" has been set, and otherwise should not be used. It specifies the type of content being loaded by the , which is necessary for request matching, application of correct content security policy, and setting of correct Accept request header. * * Furthermore, rel="preload" uses this as a signal for request prioritization. The value comments list the valid values for this attribute and the elements or resources they apply to. * * Descriptions by Mozilla Contributors licensed under CC-BY-SA 2.5 * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/link */ enum As_link: string { /** * Applies to