diff --git a/llab/script/curriculum.js b/llab/script/curriculum.js
index 42b648614..8352fc07e 100755
--- a/llab/script/curriculum.js
+++ b/llab/script/curriculum.js
@@ -309,7 +309,7 @@ llab.addFrame = function() {
   var source = llab.getQueryParameter("src");
 
   var frame = $(document.createElement("iframe")).attr(
-    {'src': source, 'class': 'content-embed'}
+    {'src': source, 'class': 'content-embed', 'title': 'Embedded video content'}
   );
 
   let content = $(document.createElement('div'));
@@ -626,7 +626,8 @@ llab.addFeedback = function(title, topic, course) {
         'id': 'feedback-frame',
         'width': "300",
         'height': "230",
-        'src': surveyURL
+        'src': surveyURL,
+        'title': 'Page feedback survey'
       });
       $('#fdbk').append(frame);
     }
diff --git a/robots.txt b/robots.txt
new file mode 100644
index 000000000..fa61b0290
--- /dev/null
+++ b/robots.txt
@@ -0,0 +1,3 @@
+# This restricts what search engines and other tools can crawl.
+User-agent: *
+Disallow: /old/