text: Firefox will not ship HTML Imports in its current form. See this status update for more information. Until there is a consensus on the standard or alternative mechanisms are worked out, you can use a polyfill such as Google's
  webcomponents.js.
  HTML Imports is intended to be the packaging mechanism for web components, but you can also use HTML Imports by itself.
  <link rel="import" href="myfile.html">
  The
  import link type is new.
  Specification
  Browser compatibility
  The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out and send us a pull request.
  No compatibility data found. Please contribute data for "html.elements.link.rel.import" (depth: 1) to the MDN compatibility data repository.