diff --git a/src/main.py b/src/main.py
index 37d62a4..0ced9be 100644
--- a/src/main.py
+++ b/src/main.py
@@ -63,6 +63,7 @@ async def page_profile(atid: str):
             if did is None:
                 return render_template("error.html", message="did not found"), 404
         elif is_valid_did(atid):
+            handle = None
             did = atid
         else:
             return render_template("error.html", message="invalid did or handle"), 400
@@ -85,7 +86,14 @@ async def page_profile(atid: str):
         return redirect(request.path)
 
     athref = f"at://{did}/at.ligo.actor.links/self"
-    return render_template("profile.html", profile=profile, links=links, athref=athref)
+    canonical = f"https://ligo.at/{f'@{handle}' if handle else did}"
+    return render_template(
+        "profile.html",
+        profile=profile,
+        links=links,
+        canonical=canonical,
+        athref=athref,
+    )
 
 
 @app.get("/login")
diff --git a/src/templates/login.html b/src/templates/login.html
index 6f949ef..f97f775 100644
--- a/src/templates/login.html
+++ b/src/templates/login.html
@@ -24,7 +24,10 @@
         </label>
         <span class="faded caption">
           Use your AT Protocol handle to log in.
-          If you're unsure you can <a href="{{ url_for('oauth.oauth_start', authserver='https://bsky.social') }}">log in with Bluesky</a>.
+          If you're unsure you can
+          <a href="{{ url_for('oauth.oauth_start', authserver='https://bsky.social') }}" rel="nofollow">
+            log in with Bluesky
+          </a>.
         </span>
         <input type="submit" value="continue" />
       </form>
diff --git a/src/templates/profile.html b/src/templates/profile.html
index 48c92ec..15c5825 100644
--- a/src/templates/profile.html
+++ b/src/templates/profile.html
@@ -10,7 +10,8 @@
     <link rel="icon" type="image/png" sizes="16x16" href="{{ url_for('static', filename='favicon-16.png') }}" />
     <link rel="icon" type="image/png" sizes="32x32" href="{{ url_for('static', filename='favicon-32.png') }}" />
     <link rel="icon" type="image/png" sizes="48x48" href="{{ url_for('static', filename='favicon-48.png') }}" />
-    <link rel="alternate" href="{{ athref }}" />
+    {% if canonical %}<link rel="canonical" href="{{ canonical }}" />{% endif %}
+    {% if athref %}<link rel="alternate" href="{{ athref }}" />{% endif %}
   </head>
   <body>
     <div class="wrapper profile">