I use Contact Form 7 on almost every site I make and try to validate all my WP pages as much as I can (just out of habit I guess) via W3C Validator. I always, always have these 3 errors:
there is no attribute "novalidate"
…act/#wpcf7-f4-p20-o1" method="post" class="wpcf7-form" novalidate="novalidate">
there is no attribute "aria-required"
…rol wpcf7-text wpcf7-validates-as-required" aria-required="true" /></span>
value of attribute "type" cannot be "email"; must be one of "text", "password", "checkbox", "radio", "submit", "reset", "file", "hidden", "image", "button"
…ol-wrap your-email"><input type="email" name="your-email" value="" size="30" c…
Is there really anything I can do to remove these 3 errors and have my contact form validate?