Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
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 “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
Bad value “window-target” for attribute “http-equiv” on element “meta”.
Bad value “content-style-type” for attribute “http-equiv” on element “meta”.
Bad value “content-script-type” for attribute “http-equiv” on element “meta”.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “align” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value ““125”” for attribute “width” on element “img”: Expected a digit but saw ““” instead.
Attribute “border” not allowed on element “input” at this point.
The “longdesc” attribute on the “img” element is obsolete. Use a regular “a” element to link to the description.
The “center” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
A numeric character reference expanded to the C1 controls range.
Stray end tag “span”.
End tag “br”.
Element “h3” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
End tag “strong” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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