target blank

1<a href="#" target="_blank">Opens the linked document in a new window or tab</a>
2
3<a href="#" target="_self">	Opens the linked document in the same frame as it was clicked (this is default)</a>
4
5<a href="#" target="_parent">Opens the linked document in the parent frame</a>
6
7<a href="#" target="_top">Opens the linked document in the full body of the window</a>
8

1link_to "External link", "http://www.rubyonrails.org/", target: "_blank", rel: "nofollow"
2# => <a href="http://www.rubyonrails.org/" target="_blank" rel="nofollow">External link</a>

1<a href="#" target="_blank" rel="noopener noreferrer"></a>

1 target="_blank"

1    <a href="https://www.w3schools.com" target="_blank">Visit W3Schools</a>