This module provides facilities for user agent resource hints.

Please see for more details.

Current Functionality:

  • dns-prefetch, preconnect, and prefetch, prerender link elements
  • x-dns-prefetch-control meta element
  • HTTP header alternative to link elements by each type

Pending functionality:

  • crossorigin and as link element attributes


  • Drupal API for module hooks to alter output
  • JS API for dynamic link elements

Project information