Warnings:
Content-Security-Policy HTTP header: Bad content security policy: Source list contains duplicate source expression "*.twitter.com". All but the first instance will be ignored.
The “type” attribute is unnecessary for JavaScript resources.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “charset” attribute on the “script” element is obsolete.
Errors:
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
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 “X-XRDS-Location” for attribute “http-equiv” on element “meta”.
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
Bad value “lightbox[jhipsterconf2019]” for attribute “rel” on element “a”: The string “lightbox[jhipsterconf2019]” is not a registered keyword.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
Bad value “lightbox[jbcnconf2019]” for attribute “rel” on element “a”: The string “lightbox[jbcnconf2019]” is not a registered keyword.
Bad value “lightbox[skiseason201819]” for attribute “rel” on element “a”: The string “lightbox[skiseason201819]” is not a registered keyword.
Bad value “lightbox[gids19]” for attribute “rel” on element “a”: The string “lightbox[gids19]” is not a registered keyword.
Bad value “lightbox[2018yearinreview]” for attribute “rel” on element “a”: The string “lightbox[2018yearinreview]” is not a registered keyword.
Bad value “lightbox[lifeupdate-201812]” for attribute “rel” on element “a”: The string “lightbox[lifeupdate-201812]” is not a registered keyword.
Bad value “lightbox[jmb5]” for attribute “rel” on element “a”: The string “lightbox[jmb5]” is not a registered keyword.
Bad value “lightbox[happy15abbie]” for attribute “rel” on element “a”: The string “lightbox[happy15abbie]” is not a registered keyword.
Bad value “lightbox[14dsd]” for attribute “rel” on element “a”: The string “lightbox[14dsd]” is not a registered keyword.
Bad value “lightbox[14dsd]” for attribute “rel” on element “img”: The string “lightbox[14dsd]” is not an absolute URL.
Bad value “lightbox[happy14thjack]” for attribute “rel” on element “a”: The string “lightbox[happy14thjack]” is not a registered keyword.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
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