Dgk.org 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.
Bad value “125px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “125px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “attachment wp-att-15073” for attribute “rel” on element “a”: The string “wp-att-15073” is not a registered keyword.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
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