Tablet.ninja W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “” for attribute “media” on element “link”: Media query ended prematurely.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “span”.
Element “img” is missing required attribute “src”.
A “source” element that has a following sibling “source” element or “img” element with a “srcset” attribute must have a “media” attribute and/or “type” attribute.
End tag “form” seen, but there were open elements.
Unclosed element “div”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The “banner” role is unnecessary for element “header”.
The “article” role is unnecessary for element “article”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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