Generates a external link to the given URL with vulnerability care. Get more details by reading:

• Open link in new tab or window
• Prevent Reverse Tabnabbing Attacks With Proper noopener, noreferrer, and nofollow Attribution

This function is same as Phoenix.HTML.Link.link/2 except that it adds two additional options:

[
  target: "_blank",
  rel: "noopener noreferrer"
]

Examples

iex> external_link("open page", to: "https://example.com") |> Phoenix.HTML.safe_to_string
"<a href=\"https://example.com\" rel=\"noopener noreferrer\" target=\"_blank\">open page</a>"

iex> external_link("open page", to: "https://example.com", rel: "nofollow") |> Phoenix.HTML.safe_to_string
"<a href=\"https://example.com\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">open page</a>"