H57 (Fail): Using language attributes on the html element

HTML Snippet Code
Scenario 1: Lang attribute is not provided
View Example <!DOCTYPE html> <html><head> <title>Lang attribute is not provided</title> </head> <body> <h1 style="font-size:17px">Below link redirects to deque</h1> <a href="http://www.deque.com" aria-label="Deque" /><img src="../../../Resources/Images/Deque.png" alt="" /></a> </body></html>
Scenario 2: lang attribute of the html element do not have a valid value
View Example <!DOCTYPE html> <html lang="abc"><head> <title>Lang attribute is not provided</title> </head> <body> <h1 style="font-size:17px">Below link redirects to deque</h1> <a href="http://www.deque.com" aria-label="Deque" /><img src="../../../Resources/Images/Deque.png" alt="" /></a> </body></html>
Scenario 3: Lang attribute value is empty
View Example <!DOCTYPE html> <html lang=""><head> <title>Lang attribute is not provided</title> </head> <body> <h1 style="font-size:17px">Below link redirects to deque</h1> <a href="http://www.deque.com" aria-label="Deque" /><img src="../../../Resources/Images/Deque.png" alt="" /></a> </body></html>

Deque Systems, Inc.