Izh-techno.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “UTF-8” for attribute “lang” on element “html”: The language subtag “utf” is not a valid ISO language part of a language tag.
CSS: Parse Error.
Duplicate ID “Layer_1”.
Duplicate ID “Layer_x0020_1”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Duplicate ID “review-policy”.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “Layer_1” was here.
The first occurrence of ID “Layer_x0020_1” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “review-policy” was here.
Unsupported SVG version specified. This validator only supports SVG 1.1. The recommended way to suppress this warning is to remove the “version” attribute altogether.
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