Nextbee.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Attribute “type” not allowed on element “textarea” at this point.
Attribute “value” not allowed on element “textarea” at this point.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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