Savannah.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate attribute “class”.
Duplicate ID “div-gpt-ad-1394556063391-0”.
A numeric character reference expanded to carriage return.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Bad value ““425"” for attribute “width” on element “iframe”: Expected a digit but saw ““” instead.
Attribute “allow” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
Warnings:
The first occurrence of ID “div-gpt-ad-1394556063391-0” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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