joshuafhiggins.github.io/themes/hugo-theme-stack/layouts/_default/_markup/render-link.html

<a class="link" href="{{ .Destination | safeURL }}" {{ with .Title}} title="{{ . }}"
    {{ end }}{{ if strings.HasPrefix .Destination "http" }} target="_blank" rel="noopener"
    {{ end }}>{{ .Text | safeHTML }}</a>