Biggeek.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “"alt” is not serializable as XML 1.0.
The first occurrence of ID “discounts” was here.
Errors:
No “li” element in scope but a “li” end tag seen.
Duplicate attribute “id”.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"alt” not allowed on element “img” 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.
Duplicate ID “discounts”.
Stray end tag “div”.
Bad value “” for attribute “name” on element “button”: Must not be empty.
Bad value “” for attribute “aria-labelledby” on element “div”: An IDREFS value must contain at least one non-whitespace character.
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