Cepr.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “https://fonts.googleapis.com/css?family=Open+Sans:400,300,300italic,400italic,600,600italic,700,700italic,800italic,800|Oswald:400,300,700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “/events-archive/?filter_tag[0]=” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
No “p” element in scope but a “p” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “img” is missing required attribute “src”.
Duplicate attribute “onkeypress”.
Duplicate attribute “onclick”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “document” role is unnecessary for element “body”.
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