Filters domains and URLs for resource hints of relation type.

$urls array

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

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

  • hrefstring
    URL to include in resource hints. Required.
  • asstring
    How the browser should treat the resource (script, style, image, document, etc).
  • crossoriginstring
    Indicates the CORS policy of the specified resource.
  • prfloat
    Expected probability that the resource hint will be used.
  • typestring
    Type of the resource (text/html, text/css, etc).
    
  $relation_type string
  The relation type the URLs are printed for, e.g. 'preconnect' or 'prerender'.

  Source

  File: wp-includes/general-template.php. View all references

  $urls = apply_filters( 'wp_resource_hints', $urls, $relation_type );
  

  Related

  Used By

  Used By	Description
  wp_resource_hints() wp-includes/general-template.php	Prints resource hints to browsers for pre-fetching, pre-rendering and pre-connecting to web sites.

  Changelog

  Version	Description
  4.7.0	The $urls parameter accepts arrays of specific HTML attributes as its child elements.
  4.6.0	Introduced.