apply_filters( ‘wp_resource_hints’, array $urls, string $relation_type )

Parameters

$urlsarray

Array of resources and their attributes, or URLs to print for resource hints.

• ...$0 array|string
  Array of resource attributes, or a URL string.

  • href string
    URL to include in resource hints. Required.
  • as string
    How the browser should treat the resource (script, style, image, document, etc).
  • crossorigin string
    Indicates the CORS policy of the specified resource.
  • pr float
    Expected probability that the resource hint will be used.
  • type string
    Type of the resource (text/html, text/css, etc).
    

$relation_typestring

The relation type the URLs are printed for. One of 'dns-prefetch', 'preconnect', 'prefetch', or 'prerender'.