Pizzapilgrims.co.uk W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
The first child “option” element of a “select” element with a “required” attribute, and without a “multiple” attribute, and without a “size” attribute whose value is greater than “1”, must have either an empty “value” attribute, or must have no text content. Consider either adding a placeholder option label, or adding a “size” attribute with a value equal to the number of “option” elements.
Bad value “” for attribute “rows” on element “textarea”: The empty string is not a valid positive integer.
Bad value “” for attribute “cols” on element “textarea”: The empty string is not a valid positive integer.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “defer"” not allowed on element “script” at this point.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “aria-required” is unnecessary for elements that have attribute “required”.
Attribute “defer"” is not serializable as XML 1.0.
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