Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
This document appears to be written in English but the “html” start tag has “lang="ko"”. Consider using “lang="en"” (or variant) instead.
Errors:
Bad value “pragma” for attribute “http-equiv” on element “meta”.
Bad value “cache-control” for attribute “http-equiv” on element “meta”.
Attribute “contnet” not allowed on element “meta” at this point.
Bad value “expires” for attribute “http-equiv” on element “meta”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Text not allowed in element “iframe” in this context.
End of file seen when expecting text or an end tag.
Unclosed element “iframe”.
Unclosed element “div”.
End of file seen and there were open elements.
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