diff --git a/src/components/Footer/Footer.js b/src/components/Footer/Footer.js
index b5667d29..bf89c5ca 100644
--- a/src/components/Footer/Footer.js
+++ b/src/components/Footer/Footer.js
@@ -7,7 +7,7 @@ import getString from '../../lib/strings'
 import styles from './Footer.module.css'
 
 const Footer = () => (
-  <div className={styles.container}>
+  <footer className={styles.container}>
     <div className={styles.social}>
       <FacebookButton />
       <GithubButton />
@@ -21,8 +21,8 @@ const Footer = () => (
     <p>{getString('DEVELOPED_BY')} <a href="https://twitter.com/rogeriopvl">@rogeriopvl</a></p>
     <p>{getString('IMAGES_BY')} Tomomi Imura (<a href="https://twitter.com/girlie_mac">@girlie_mac</a>)</p>
 
-      <p>Check out <a href='https://www.abstractapi.com'>Abstract API</a>, the home for modern, developer-friendly  tools like the <a href='https://www.abstractapi.com/ip-geolocation-api'>IP Geolocation API</a>, <a href='https://www.abstractapi.com/vat-validation-rates-api'>VAT Validation & Rates API</a>, <a href='https://www.abstractapi.com/holidays-api'>Public Holiday API</a>, and more.</p>
-  </div>
+    <p>Check out <a href='https://www.abstractapi.com'>Abstract API</a>, the home for modern, developer-friendly  tools like the <a href='https://www.abstractapi.com/ip-geolocation-api'>IP Geolocation API</a>, <a href='https://www.abstractapi.com/vat-validation-rates-api'>VAT Validation & Rates API</a>, <a href='https://www.abstractapi.com/holidays-api'>Public Holiday API</a>, and more.</p>
+  </footer>
 )
 
 export default Footer
diff --git a/src/components/Header/Header.js b/src/components/Header/Header.js
index 6602fae7..9a9595fd 100644
--- a/src/components/Header/Header.js
+++ b/src/components/Header/Header.js
@@ -6,11 +6,11 @@ import styles from './Header.module.css'
 
 const Header = () => (
   <header className={styles.container}>
-    <a href="/" className={styles.link}>
-      <div className={styles.logo}>
+    <a href="/" className={styles.link} aria-labelledby="headerTitle" >
+      <div className={styles.logo} tabIndex="-1" aria-hidden >
         <Logo width="80" height="55" color="#d0383e" />
       </div>
-    <h1 className={styles.title}>
+    <h1 id="headerTitle" className={styles.title} aria-level="1">
       {getString('APP_TITLE')}
     </h1>
   </a>
diff --git a/src/components/Thumbnail/Thumbnail.js b/src/components/Thumbnail/Thumbnail.js
index 8477dfd0..a531f484 100644
--- a/src/components/Thumbnail/Thumbnail.js
+++ b/src/components/Thumbnail/Thumbnail.js
@@ -4,12 +4,12 @@ import styles from './Thumbnail.module.css'
 
 const Thumbnail = ({ code, description }) => (
   <div className={styles.container}>
-    <a href={`/${code}`}>
+    <a href={`/${code}`} aria-labelledby="thumbnailDescription">
       <div
-        className={styles.image}
+        className={styles.image} aria-hidden
         style={{ backgroundImage: `url(/images/${code}.jpg)` }}
       />
-      <div className={styles.content}>
+      <div id="thumbnailDescription" className={styles.content}>
         <div className={styles.title}>{code}</div>
         <p>{description}</p>
       </div>
diff --git a/src/components/Usage/Usage.js b/src/components/Usage/Usage.js
index d97deba8..617d71e9 100644
--- a/src/components/Usage/Usage.js
+++ b/src/components/Usage/Usage.js
@@ -25,20 +25,20 @@ const Usage = () => {
   }, [isValueCopied])
 
   return (
-    <div className={styles.container}>
-      <h2>{getString('USAGE_TITLE')}:</h2>
+    <section className={styles.container} aria-labelledby="usageTitle" >
+      <h2 id="usageTitle" aria-level="2">{getString('USAGE_TITLE')}:</h2>
       <pre>
         {usageValue}
         {'clipboard' in navigator && (
           <button onClick={copyValue} title='Copy to clipboard'>
-            {isValueCopied ? getString('COPIED') : <img src={copyIcon} alt={getString('COPY_ICON_ALT_TEXT')} />}
+            {isValueCopied ? getString('COPIED') : <img src={copyIcon} alt={getString('COPY_ICON_ALT_TEXT')} aria-hidden />}
           </button>
         )}
       </pre>
       <p>
-        <b>{getString('USAGE_NOTE_LABEL')}:</b> {getString('USAGE_NOTE_TEXT')}{' '}<code>.jpg</code>.
+        <b>{getString('USAGE_NOTE_LABEL') + ': '}</b>{getString('USAGE_NOTE_TEXT') + ' '}<code>.jpg</code>.
       </p>
-    </div>
+    </section>
   )
 }