Getadblock.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Attribute “i18n” not allowed on element “title” at this point.
Attribute “i18n” not allowed on element “a” 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.
Attribute “i18n” not allowed on element “p” at this point.
Attribute “name” not allowed on element “div” at this point.
Attribute “i18n” not allowed on element “h1” at this point.
Attribute “i18n” not allowed on element “span” at this point.
Attribute “name” not allowed on element “section” at this point.
Attribute “i18n” not allowed on element “h2” at this point.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “i18n” not allowed on element “h3” at this point.
Attribute “i18n_replacement_el” not allowed on element “span” at this point.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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