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diff --git a/guidelines/accessibility/guideline-1.js b/guidelines/accessibility/guideline-1.js
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+++ b/guidelines/accessibility/guideline-1.js
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+/**
+ * Provide equivalent alternatives to auditory and visual content
+ */
+
+exports.name        = "Equivalent Alternatives";
+exports.description = "";
+
+exports.rule        = function(report) {
+
+  var hasAlt = function(type) {
+    return function(ix) {
+      if(_.isEmpty($(this).attr('alt'))) {
+        report.error('No alt text specified for ' + type + ' element', this);
+      }
+    };
+  };
+
+  // We treat anchors with images as a child as things that should contain
+  // alternatives.
+  $5('a').find('img').each(hasAlt('img'));
+
+  // All input tags must have an alt attribute.
+  $5('input').each(hasAlt('input'));
+
+  // All applet tags must have an alt attribute.
+  $5('applet').each(hasAlt('applet'));
+
+  // All object tags must have an alt attribute.
+  $5('object').each(hasAlt('applet'));
+};