Ipca.pt W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:fb” not allowed here.
Attribute “xmlns:addthis” not allowed here.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
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.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No space between attributes.
Bad value “https://fonts.googleapis.com/css?family=Open+Sans:400|Roboto:900” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “https://fonts.googleapis.com/css?family=Open+Sans:400%2C700%2C600|Roboto:900” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:addthis” is not serializable as XML 1.0.
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