Kumon.co.uk 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 “latlon” was here.
The first occurrence of ID “centre_search” was here.
The first occurrence of ID “” was here.
Empty heading.
Errors:
Bad value “tel:0800 854 714” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “” for attribute “name” on element “button”: Must not be empty.
Bad value “” for attribute “id” on element “button”: An ID must not be the empty string.
End tag “nav” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “latlon”.
Duplicate ID “centre_search”.
Duplicate ID “”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
The element “button” must not appear as a descendant of the “a” element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “targetblank nofollow” for attribute “rel” on element “a”: The string “targetblank” is not a registered keyword.
Stray start tag “link”.
Cannot recover after last error. Any further errors will be ignored.
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