diff --git a/exampleSite/go.mod b/exampleSite/go.mod
index 22b7e4d..d7882e2 100644
--- a/exampleSite/go.mod
+++ b/exampleSite/go.mod
@@ -5,3 +5,4 @@ go 1.19
 require github.com/hugo-toha/hugo-toha.github.io v0.0.0-20221228191121-007f31838bd6 // indirect
 
 replace github.com/hugo-toha/toha/v4 => ../../toha
+// replace github.com/hugo-toha/hugo-toha.github.io => ../../hugo-toha.github.io
diff --git a/layouts/partials/sections/about.html b/layouts/partials/sections/about.html
index 713f830..34a48ec 100644
--- a/layouts/partials/sections/about.html
+++ b/layouts/partials/sections/about.html
@@ -30,11 +30,11 @@
           {{ range .socialLinks }}
           <li>
             {{ if eq .name "Email" }}
-              <a href="mailto:{{ .url }}" title="{{ .name }}" target="_blank" rel="noopener"><i class="{{ .icon }}"></i></a>
+              <a href="mailto:{{ .url }}" title="{{ .name }}" target="_blank" rel="{{.rel | default "noopener"}}"><i class="{{ .icon }}"></i></a>
             {{ else if eq .name (i18n "phone") }}
-              <a href="tel:{{ .url }}" title="{{ .name }}" target="_blank" rel="noopener"><i class="{{ .icon }}"></i></a>
+              <a href="tel:{{ .url }}" title="{{ .name }}" target="_blank" rel="{{.rel | default "noopener"}}"><i class="{{ .icon }}"></i></a>
             {{ else }}
-              <a href="{{ .url }}" title="{{ .name }}" target="_blank" rel="noopener"><i class="{{ .icon }}"></i></a>
+              <a href="{{ .url }}" title="{{ .name }}" target="_blank" rel="{{.rel | default "noopener"}}"><i class="{{ .icon }}"></i></a>
             {{ end }}
           </li>
           {{ end }}