diff --git a/aio/content/examples/animations/src/index.html b/aio/content/examples/animations/src/index.html
index 6c4a13adb2..74a397e7d1 100644
--- a/aio/content/examples/animations/src/index.html
+++ b/aio/content/examples/animations/src/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
  <head>
     <meta charset="UTF-8">
     <title>Animations</title>
diff --git a/aio/content/marketing/index.html b/aio/content/marketing/index.html
index e0bb9e3f9d..93b74f5191 100755
--- a/aio/content/marketing/index.html
+++ b/aio/content/marketing/index.html
@@ -17,7 +17,7 @@
   <div class="home-rows"><!-- Group 1-->
     <div layout="row" layout-xs="column" class="home-row">
       <div class="promo-img-container promo-1">
-        <div><img src="assets/images/home/responsive-framework.svg"></div>
+        <div><img src="assets/images/home/responsive-framework.svg" alt="responsive framework"></div>
       </div>
       <div class="text-container">
         <div class="text-block promo-1-desc l-pad-top-2"><h3 class="text-headline">Develop Across
@@ -38,12 +38,12 @@
         </div>
       </div>
       <div class="promo-img-container promo-2">
-        <div><img src="assets/images/home/speed-performance.svg"></div>
+        <div><img src="assets/images/home/speed-performance.svg" alt="speed and performance"></div>
       </div>
     </div><!-- Group 3-->
     <div layout="row" layout-xs="column" class="home-row">
       <div class="promo-img-container promo-3">
-        <div><img src="assets/images/home/joyful-development.png"></div>
+        <div><img src="assets/images/home/joyful-development.png" alt="IDE example"></div>
       </div>
       <div class="text-container">
         <div class="text-block promo-3-desc"><h3 class="text-headline">Incredible Tooling</h3>
@@ -63,7 +63,7 @@
             applications.</p></div>
       </div>
       <div class="promo-img-container promo-4">
-        <div><img src="assets/images/home/loved-by-millions.png"></div>
+        <div><img src="assets/images/home/loved-by-millions.png" alt="angular on the map"></div>
       </div>
     </div>
     <div class="cta-bar"><a href="/guide/quickstart" md-button="md-button" class="button button-large button-shield mat-raised mat-primary">Get Started</a></div>
diff --git a/aio/content/marketing/presskit.html b/aio/content/marketing/presskit.html
index 8ef1ff1476..6c67b531fa 100644
--- a/aio/content/marketing/presskit.html
+++ b/aio/content/marketing/presskit.html
@@ -16,7 +16,7 @@
   <div class="presskit-row">
     <div class="presskit-inner">
       <div class="presskit-image-container">
-        <img src="assets/images/logos/angular/angular.svg">
+        <img src="assets/images/logos/angular/angular.svg" alt="Angular">
       </div>
       <div>
         <h3 class="l-space-left-3">FULL COLOR LOGO</h3>
diff --git a/aio/src/app/app.component.html b/aio/src/app/app.component.html
index 4b9daad644..632ff21be1 100644
--- a/aio/src/app/app.component.html
+++ b/aio/src/app/app.component.html
@@ -9,14 +9,14 @@
   <span class="fill-remaining-space"></span>
 </md-toolbar>
 
-<md-sidenav-container class="sidenav-container">
+<md-sidenav-container class="sidenav-container" role="main">
 
   <md-sidenav [ngClass]="{'collapsed': !isSideBySide }" #sidenav class="sidenav" [opened]="isOpened" [mode]="mode">
     <aio-nav-menu *ngIf="!isSideBySide" class="top-menu" [nodes]="topMenuNodes" [currentNode]="currentNode"></aio-nav-menu>
     <aio-nav-menu [nodes]="sideNavNodes" [currentNode]="currentNode" ></aio-nav-menu>
   </md-sidenav>
 
-  <section class="sidenav-content" [id]="pageId">
+  <section class="sidenav-content" [id]="pageId" role="content">
     <aio-doc-viewer [doc]="currentDocument" (docRendered)="onDocRendered()"></aio-doc-viewer>
     <aio-dt [on]="dtOn" [(doc)]="currentDocument"></aio-dt>
   </section>
diff --git a/aio/src/app/search/search-box/search-box.component.ts b/aio/src/app/search/search-box/search-box.component.ts
index aeb744b71e..87f2c0a35e 100644
--- a/aio/src/app/search/search-box/search-box.component.ts
+++ b/aio/src/app/search/search-box/search-box.component.ts
@@ -17,6 +17,7 @@ import { LocationService } from 'app/shared/location.service';
 @Component({
   selector: 'aio-search-box',
   template: `<input #searchBox
+    aria-label="search"
     placeholder="Search"
     (keyup)="onSearch($event.target.value, $event.which)"
     (focus)="onSearch($event.target.value)"
diff --git a/aio/src/app/search/search-results/search-results.component.html b/aio/src/app/search/search-results/search-results.component.html
index 2fcfb940a3..998bb52b67 100644
--- a/aio/src/app/search/search-results/search-results.component.html
+++ b/aio/src/app/search/search-results/search-results.component.html
@@ -1,6 +1,7 @@
 <div class="search-results" *ngIf="(searchAreas | async)?.length > 0" >
+  <h2 class="visually-hidden">Search Results</h2>
   <div class="search-area" *ngFor="let area of searchAreas | async">
-    <h2>{{area.name}}</h2>
+    <h3>{{area.name}}</h3>
     <div class="search-page" *ngFor="let page of area.pages">
       <a class="search-result-item" href="{{ page.path }}" (click)="onResultSelected(page)">{{ page.title }}</a>
     </div>
diff --git a/aio/src/index.html b/aio/src/index.html
index 42a93b3430..88246a40ad 100644
--- a/aio/src/index.html
+++ b/aio/src/index.html
@@ -40,7 +40,7 @@
   <noscript>
     <header>
       <div class="hero">
-        <img src="assets/images/logos/angular/angular.svg" />
+        <img src="assets/images/logos/angular/angular.svg" alt="Angular"/>
         <h1>One framework.<br>Mobile &amp; desktop.</h1>
         <br />
         <h3 style="color:red">
diff --git a/aio/src/styles/1-layouts/_content-layout.scss b/aio/src/styles/1-layouts/_content-layout.scss
index 7acf592691..66fed307a7 100644
--- a/aio/src/styles/1-layouts/_content-layout.scss
+++ b/aio/src/styles/1-layouts/_content-layout.scss
@@ -11,6 +11,9 @@
   aio-menu {
     display: none;
   }
+  .sidenav-content {
+    min-height: 450px;
+  }
 }
 
 .sidenav-container {
diff --git a/aio/src/styles/1-layouts/_layout-global.scss b/aio/src/styles/1-layouts/_layout-global.scss
index f60d53b7e3..faee1cfde1 100644
--- a/aio/src/styles/1-layouts/_layout-global.scss
+++ b/aio/src/styles/1-layouts/_layout-global.scss
@@ -34,4 +34,10 @@ l-relative {
 
 .center {
     text-align: center;
+}
+
+.visually-hidden {
+    position: absolute !important;
+    top: -9999px !important;
+    left: -9999px !important;
 }
\ No newline at end of file
diff --git a/aio/src/styles/1-layouts/_search-results.scss b/aio/src/styles/1-layouts/_search-results.scss
index b14db7c06e..a2cea9089c 100644
--- a/aio/src/styles/1-layouts/_search-results.scss
+++ b/aio/src/styles/1-layouts/_search-results.scss
@@ -34,8 +34,9 @@ aio-search-results {
     flex-direction: column;
     margin: 16px 16px;
     height: 100%;
-    h2 {
+    h3 {
         font-size: 16px;
+        font-weight: 400;
         margin: 10px 0px 5px;
         text-transform: uppercase;
     }
diff --git a/aio/src/styles/2-modules/_api-list.scss b/aio/src/styles/2-modules/_api-list.scss
index 6c817b3d94..f463ba9be6 100644
--- a/aio/src/styles/2-modules/_api-list.scss
+++ b/aio/src/styles/2-modules/_api-list.scss
@@ -1,3 +1,11 @@
+/* API EDIT ICON */
+#api {
+  .info-bar .material-icons {
+    top: 24px;
+    right: 48px;
+  }
+}
+
 /* API LIST STYLES */
 
 aio-api-list {
