Validation errors - clean up

I have a number of pages on my Wordpress site with validation errors which seem to be the same across the site and are pretty straight forward. .

I would like to clean this up please and start straight away.

Types of errors found: value of attribute Y cannot be X; must be one of %3 ✉
The value of the attribute is defined to be one of a list of possible values but in the document it contained something that is not allowed for that type of attribute. For instance, the “selected” attribute must be either minimized as “selected” or spelled out in full as “selected="selected"”; a value like “selected="true"” is not allowed.

Line 434, column 19: value of attribute "type" cannot be "email"; must be one of "text", "password", "checkbox", "radio", "submit", "reset", "file", "hidden", "image", "button"
<input type="email" value="" name="EMAIL" class="email" id="mce-EMAIL" placehol…
required attribute X not specified ✉
The attribute given above is required for an element that you've used, but you have omitted it. For instance, in most HTML and XHTML document types the "type" attribute is required on the "script" element and the "alt" attribute is required for the "img" element.

Typical values for type are type="text/css" for and type="text/javascript" for </center…
Line 471, column 17: required attribute "type" not specified
$zopim( function() {