Mobile Form Usability - Bad .html

<form action="" method="post" name="mobile-usability">
	Username: <input name="email" type="text" size="20">
</form>

Mobile Form Usability - Best .html

<form action="" method="post" name="mobile-usability">
	Username: <input name="email" type="email" size="20">
</form>

Mobile Form Usability - Better .html

<form action="" method="post" name="mobile-usability">
	Username: <input name="email" type="text" autocorrect="off" autocapitalize="off" size="20">
</form>