Tg-payment.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “en_US” for attribute “hreflang” on element “link”: The language subtag “en_us” 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 “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “http://fonts.googleapis.com/css?family=Droid Sans:regular,700&subset=latin” for attribute “href” on element “link”: Illegal character in query: space is not allowed.
Stray end tag “a”.
The “center” element is obsolete. Use CSS instead.
End tag “br”.
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 “src” on element “img”: Must be non-empty.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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