Downloadastro.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
CSS: Parse Error.
Bad value “”publisher”” for attribute “rel” on element “link”: The string “”publisher”” is not a registered keyword.
Bad value “//en.downloadastro.com/Windows Files/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Stray end tag “ul”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “itemref” attribute must not be specified on elements that do not have an “itemscope” attribute specified.
Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.
Attribute “alt” not allowed on element “a” at this point.
Element “img” is missing required attribute “src”.
Stray start tag “noscript”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
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