Support for rel="preconnect"
>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #2874594. --> Reported by: [wim leers](https://www.drupal.org/user/99777) >>> <p>After DNS prefetching, now there's <a href="http://www.w3.org/TR/resource-hints/#preconnect">preconnecting</a>, since the end of 2015, at least in some browsers: <a href="http://caniuse.com/preconnect">http://caniuse.com/preconnect</a>.</p>
issue