Rubypdf.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “http://fonts.googleapis.com/css?family=Open+Sans:300,300italic,regular,italic,600,600italic|Oswald:300,300italic,regular,italic,600,600italic&subset=latin” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Text not allowed in element “ol” in this context.
Element “ol” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Warnings:
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).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
United States US