Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “formCity” was here.
The first occurrence of ID “city-test” was here.
Text run is not in Unicode Normalization Form C.
The first occurrence of ID “category_search” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “agree” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “login-form-popup” was here.
The first occurrence of ID “password” was here.
The first occurrence of ID “remember_me” was here.
The first occurrence of ID “login-facebook” was here.
The first occurrence of ID “login-google” was here.
The first occurrence of ID “login-yahoo” was here.
The first occurrence of ID “email_newsletter” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Vietnamese. Consider adding “lang="vi"” (or variant) to the “html” start tag.
Errors:
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “city-code” not allowed on element “li” at this point.
Duplicate ID “formCity”.
Duplicate ID “city-test”.
Bad value “” for attribute “for” on element “label”: An ID must not be the empty string.
Any “input” descendant of a “label” element with a “for” attribute must have an ID value that matches that “for” attribute.
Stray end tag “i”.
Duplicate ID “category_search”.
Attribute “layer-time” not allowed on element “div” at this point.
Attribute “layer-delay” not allowed on element “div” at this point.
Attribute “layer-offset-from” not allowed on element “div” at this point.
Attribute “layer-offset-to” not allowed on element “div” at this point.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
Attribute “href” not allowed on element “span” at this point.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Duplicate ID “agree”.
Duplicate ID “login-form-popup”.
Duplicate ID “password”.
Duplicate ID “remember_me”.
Duplicate ID “login-facebook”.
Duplicate ID “login-google”.
Duplicate ID “login-yahoo”.
Attribute “value” not allowed on element “input” at this point.
Duplicate ID “email_newsletter”.
Bad value “true” for attribute “async” on element “script”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
The “aria-labelledby” attribute must point to an element in the same document.
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