Vpd.fi 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 first occurrence of ID “fb-root” was here.
The first occurrence of ID “feed-items” was here.
The first occurrence of ID “side-nav” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Errors:
Duplicate ID “fb-root”.
Attribute “max-length” not allowed on element “input” at this point.
Bad value “100%;” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
No “p” element in scope but a “p” end tag seen.
The “itemtype” attribute must not be specified on elements that do not have an “itemscope” attribute specified.
Malformed byte sequence: “c3”.
Duplicate ID “feed-items”.
Duplicate ID “side-nav”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “itemprop” attribute was specified, but the element is not a property of any item.
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