Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
Element “title” must not be empty.
The “center” element is obsolete. Use CSS instead.
Bad value “20px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “16px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Duplicate ID “slider-wrapper”.
Duplicate ID “dev7link”.
Bad value “/upload/images/20180326_mat ong muoi.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “459px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “193px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Duplicate ID “accordionadd”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “script” not allowed on element “input” at this point.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “language” attribute on the “script” element is obsolete.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The “border” attribute is obsolete.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 first occurrence of ID “slider-wrapper” was here.
The first occurrence of ID “dev7link” was here.
The first occurrence of ID “accordionadd” was here.
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