Yt2fb.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.
Element “head” is missing a required instance of child element “title”.
Element “title” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “img” element is obsolete.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.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Duplicate ID “final_url”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Empty heading.
The first occurrence of ID “final_url” was here.
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