Philosophersmag.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “” for attribute “media” on element “link”: Media query ended prematurely.
Attribute “attribs” not allowed on element “link” at this point.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Attribute “grid-col” not allowed on element “li” at this point.
Duplicate ID “zentools-140”.
Attribute “qx-parallax” not allowed on element “div” at this point.
No space between attributes.
Duplicate ID “zentools-144”.
Duplicate ID “zentools-178”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “zentools-140” was here.
The first occurrence of ID “zentools-144” was here.
The first occurrence of ID “zentools-178” was here.
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