Errors:
Bad value “us_en” for attribute “hreflang” on element “link”: The language subtag “us_en” is not a valid language subtag.
Bad value “de_en” for attribute “hreflang” on element “link”: The language subtag “de_en” is not a valid language subtag.
Bad value “de_de” for attribute “hreflang” on element “link”: The language subtag “de_de” is not a valid language subtag.
Bad value “uk_en” for attribute “hreflang” on element “link”: The language subtag “uk_en” is not a valid language subtag.
Bad value “jp_jp” for attribute “hreflang” on element “link”: The language subtag “jp_jp” is not a valid language subtag.
Bad value “jp_en” for attribute “hreflang” on element “link”: The language subtag “jp_en” is not a valid language subtag.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
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The “frameborder” attribute on the “iframe” element is obsolete.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.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Stray end tag “a”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Stray end tag “source”.
Attribute “datetime” not allowed on element “h6” at this point.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “main” role is unnecessary for element “main”.
Empty heading.
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).
The “contentinfo” role is unnecessary for element “footer”.
United States US