on a Web page</a>
                     											             
                     <strong>AND</strong>
                     											             
                     <a href="https://www.w3.org/WAI/WCAG21/Techniques/html/H94" class="html">Ensuring that elements do not contain duplicate attributes</a>
                     										           
                  </li>
                  
                  <li>
                     											             
                     <a href="https://www.w3.org