Cross.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Element “meta” is missing required attribute “content”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Element “input” is missing required attribute “alt”.
The element “input” must not appear as a descendant of the “a” element.
Bad value “” for attribute “src” on element “input”: Must be non-empty.
Bad value “true” for attribute “async” on element “script”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Empty heading.
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