Errors:
Bad start tag in “a” in “head”.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Attribute “designtimesp” not allowed on element “iframe” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
A numeric character reference expanded to the C1 controls range.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Duplicate attribute “onclick”.
Saw “=” when expecting an attribute name. Probable cause: Attribute name missing.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “="heaters"” not allowed on element “a” at this point.
Bad value “javascript” for attribute “lang” on element “script”: Subtags must not exceed 8 characters in length.
Bad value “230px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “138px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Attribute “caption” not allowed on element “img” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “a” not allowed on element “a” at this point.
No space between attributes.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Attribute “value” not allowed on element “a” at this point.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Attribute “="heaters"” is not serializable as XML 1.0.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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