Errors:
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Stray end tag “a”.
Bad value “/upload/images/news_1534995573.0 tại showroom nhà thông minh Lumi feature.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
Attribute “allowscriptaccess” not allowed on element “iframe” at this point.
Bad value “tel:0904 665 965” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Attribute “attribution” not allowed on element “div” at this point.
Attribute “page_id” not allowed on element “div” at this point.
Attribute “logged_in_greeting” not allowed on element “div” at this point.
Attribute “logged_out_greeting” not allowed on element “div” at this point.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The value of attribute “title” on element “a” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
The value of attribute “src” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
The value of attribute “alt” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
Text run is not in Unicode Normalization Form C.
This document appears to be written in Vietnamese but the “html” start tag has “lang="en"”. Consider using “lang="vi"” (or variant) instead.
Viet Nam VN