Prozhector.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “https://www.rookee.ru/web/register.aspx?code=prozhector_rookee_ban_ImageRookee2017&utm_source=prozhector_ban&utm_medium= banner&utm_content=rookee_prosto&utm_campaign=ImageRookee2017” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “type” attribute is unnecessary for JavaScript resources.
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