Pollenundallergie.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 “type” attribute is unnecessary for JavaScript resources.
Empty heading.
Errors:
Attribute “titel” not allowed on element “img” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No “p” element in scope but a “p” end tag seen.
Duplicate attribute “target”.
Attribute “socialmedialink” not allowed on element “div” at this point.
Attribute “equalto” not allowed on element “input” at this point.
The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.
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