title: Images must have alternate text: Element has no title attribute
body: <p>What is meant by <code>Images must have alternate text: Element has no title attribute</code></p>
  <p>I had created img tag but developer tools gives me a warning but i can't understand what that means.</p>
  <p>Affected resources
  <code>&lt;img src=&quot;./img/twitter.png&quot;&gt;</code></p>