Itqualityassurance
You could include the asterisk symbol on the placeholder itself to represent the required fields.
How are required entry fields marked?
Summary: Using an asterisk to mark required fields is an easy way to improve the usability of your forms. Only marking optional fields makes it difficult for people to fill out the form.
What is fields marked with * are mandatory?
Fields marked with * are mandatory
Using an asterisk (*) symbol content authors notify mandatory field. This is said to be one of the accessible modes of identifying a mandatory field, however this method also will be a problem with screen readers in certain times.
