Cobis.org.uk W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://fonts.googleapis.com/css?family=Arimo|Montserrat:300,400” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
Bad value “” for attribute “id” on element “img”: An ID must not be the empty string.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “”.
The element “footer” must not appear as a descendant of the “footer” element.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “charset” attribute on the “script” element is obsolete.
The first occurrence of ID “” was here.
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