Channellock.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “cache-control” for attribute “http-equiv” on element “meta”.
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
Bad value “favicon” for attribute “type” on element “link”: Subtype missing.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No space between attributes.
Attribute “ method” not allowed on element “form” at this point.
Attribute “ placeholder” not allowed on element “input” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Forbidden code point U+0003.
Element “img” is missing required attribute “src”.
Warnings:
Attribute “ method” is not serializable as XML 1.0.
Attribute “ placeholder” is not serializable as XML 1.0.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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