[HTML imports](https://developer.mozilla.org/en-US/docs/Web/Web_Components/HTML_Imports) are obsolete. A replacement proposal called [HTML modules](https://github.com/WICG/webcomponents/blob/gh-pages/proposals/html-modules-proposal.md) exists, but there is little movement on the subject.
HTML imports are obsolete. A replacement proposal called HTML modules exists, but there is little movement on the subject.