Webtrening.ru W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Text not allowed in element “iframe” in this context.
Attribute “_validator” not allowed on element “input” at this point.
Attribute “_required” not allowed on element “input” at this point.
Attribute “_label” not allowed on element “input” at this point.
Attribute “href” not allowed on element “button” at this point.
Attribute “target” not allowed on element “button” at this point.
Stray end tag “section”.
Duplicate ID “mad_mimi_signup_form”.
Attribute “placeholder” not allowed on element “label” at this point.
Warnings:
The first occurrence of ID “mad_mimi_signup_form” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “form” role is unnecessary for element “form”.
This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.
Russian Federation RU