Alice.ch W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
Empty heading.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
No space between attributes.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
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