Errors:
Bad value “ImageToolbar” for attribute “http-equiv” on element “meta”.
Bad value “” for attribute “name” on element “button”: Must not be empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “node-2918099”.
End tag “p” implied, but there were open elements.
Unclosed element “strong”.
End tag “p” seen, but there were open elements.
No “strong” element in scope but a “strong” end tag seen.
No “p” element in scope but a “p” end tag seen.
Bad value “https://techdayh</body></html>” for attribute “href” on element “a”: Illegal character in path segment: “>” is not allowed.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
Attribute “type” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “class”.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “24px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “24px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Element “div” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “node-3010043”.
Warnings:
The “banner” role is unnecessary for element “header”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “node-2918099” was here.
The “complementary” role is unnecessary for element “aside”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “node-3010043” was here.
The “contentinfo” role is unnecessary for element “footer”.
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