La-prensa.com.mx 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.
The “center” element is obsolete. Use CSS instead.
Bad value “” for attribute “aria-controls” on element “a”: An IDREFS value must contain at least one non-whitespace character.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
End tag “div” seen, but there were open elements.
Unclosed element “article”.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
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