Guiafacil.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “php”.
Attribute “http-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
No space between attributes.
Attribute “6” not allowed on element “link” at this point.
The “name” attribute on the “option” element is obsolete. Use the “id” attribute instead.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Duplicate attribute “alt”.
Stray start tag “div”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Attribute “6” is not serializable as XML 1.0.
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