diff --git a/lighthouse-core/report/html/renderer/performance-category-renderer.js b/lighthouse-core/report/html/renderer/performance-category-renderer.js
index 58083b5ee4e5..1193bb3a8d2d 100644
--- a/lighthouse-core/report/html/renderer/performance-category-renderer.js
+++ b/lighthouse-core/report/html/renderer/performance-category-renderer.js
@@ -123,14 +123,14 @@ class PerformanceCategoryRenderer extends CategoryRenderer {
     }
 
     // Metrics.
-    const metricAudits = category.auditRefs.filter(audit => audit.group === 'metrics');
     const metricAuditsEl = this.renderAuditGroup(groups.metrics);
 
     // Metric descriptions toggle.
     const toggleTmpl = this.dom.cloneTemplate('#tmpl-lh-metrics-toggle', this.templateContext);
     const toggleEl = this.dom.find('.lh-metrics-toggle', toggleTmpl);
-    metricAuditsEl.prepend(...toggleEl.childNodes);
+    metricAuditsEl.append(...toggleEl.childNodes);
 
+    const metricAudits = category.auditRefs.filter(audit => audit.group === 'metrics');
     const keyMetrics = metricAudits.filter(a => a.weight >= 3);
     const otherMetrics = metricAudits.filter(a => a.weight < 3);
 
diff --git a/lighthouse-core/report/html/templates.html b/lighthouse-core/report/html/templates.html
index 01498480b615..11d1d78e05fd 100644
--- a/lighthouse-core/report/html/templates.html
+++ b/lighthouse-core/report/html/templates.html
@@ -71,7 +71,7 @@
 <!-- Lighthouse metrics toggle -->
 <template id="tmpl-lh-metrics-toggle">
   <div class="lh-metrics-toggle">
-    <input class="lh-metrics-toggle__input" type="checkbox" name="toggle-metric-descriptions">
+    <input class="lh-metrics-toggle__input" type="checkbox" id="toggle-metric-descriptions" aria-label="Toggle the display of metric descriptions">
     <label class="lh-metrics-toggle__label" for="toggle-metric-descriptions">
       <div class="lh-metrics-toggle__icon lh-metrics-toggle__icon--less" aria-hidden="true">
         <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="24" height="24" viewBox="0 0 24 24">
@@ -366,7 +366,7 @@
     <a href="" class="lh-topbar__url" target="_blank" rel="noopener"></a>
 
     <div class="lh-tools">
-      <button class="report-icon report-icon--share lh-tools__button" title="Export report">
+      <button class="report-icon report-icon--share lh-tools__button" title="Tools menu" aria-label="Toggle report tools menu">
         <svg width="100%" height="100%" viewBox="0 0 24 24">
             <path d="M0 0h24v24H0z" fill="none"/>
             <path d="M12 8c1.1 0 2-.9 2-2s-.9-2-2-2-2 .9-2 2 .9 2 2 2zm0 2c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm0 6c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2z"/>