Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
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.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
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 “header” in this context. (Suppressing further errors from this subtree.)
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “first_section”.
Duplicate attribute “class”.
Duplicate ID “second_section”.
Duplicate ID “third_section”.
Duplicate ID “h2_main_span”.
Duplicate ID “fourth_section”.
The element “button” must not appear as a descendant of the “a” element.
Element “h2” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Bad value “https://www.dek-d.com/tag/แฮร์รี่ พอตเตอร์/game/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “https://www.dek-d.com/tag/เดรโก มัลฟอย/game/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “30px” for attribute “size” on element “input”: Expected a digit but saw “p” instead.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
The first occurrence of ID “first_section” was here.
The first occurrence of ID “second_section” was here.
The first occurrence of ID “third_section” was here.
The first occurrence of ID “h2_main_span” was here.
The first occurrence of ID “fourth_section” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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