Wikihow.vn W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “name” not allowed on element “div” at this point.
Attribute “x-webkit-speech” not allowed on element “input” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “social-login-navbar”.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
Element “img” is missing required attribute “src”.
Table column 4 established by element “td” has no cells beginning in it.
Table column 2 established by element “td” has no cells beginning in it.
Table column 3 established by element “td” has no cells beginning in it.
Start tag “a” seen but an element of the same type was already open.
Bad value “/<rcchange-patrol-article>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Warnings:
The first occurrence of ID “social-login-navbar” was here.
A table row was 1 columns wide, which is less than the column count established by the first row (4).
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