Errors:
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Attribute “topmargin” not allowed on element “body” at this point.
The element “button” must not appear as a descendant of the “a” element.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
The “vspace” attribute on the “img” element is obsolete. Use CSS instead.
Duplicate ID “simple_link”.
The “font” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “cse-search-box”.
Duplicate ID “btn-search”.
The “center” element is obsolete. Use CSS instead.
Duplicate ID “main_block”.
No “p” element in scope but a “p” end tag seen.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Attribute “\” not allowed on element “img” at this point.
Attribute “alt” not allowed on element “a” at this point.
Duplicate ID “block_forum”.
No space between attributes.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “simple_link” was here.
The “form” role is unnecessary for element “form”.
The first occurrence of ID “cse-search-box” was here.
The first occurrence of ID “btn-search” was here.
The first occurrence of ID “main_block” was here.
Attribute “\” is not serializable as XML 1.0.
The first occurrence of ID “block_forum” was here.
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