Sypartners.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Duplicate attribute “lang”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “alt” not allowed on element “picture” at this point.
Element “noscript” not allowed as child of element “picture” in this context. (Suppressing further errors from this subtree.)
Element “img” is missing required attribute “src”.
Duplicate ID “mce-SYPCOM”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “mce-SYPCOM” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
United States US