Llas.ac.uk W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Start tag “head” seen but an element of the same type was already open.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Attribute “<!--” not allowed on element “body” at this point.
Attribute “start” not allowed on element “body” at this point.
Attribute “header” not allowed on element “body” at this point.
Attribute “--” not allowed on element “body” at this point.
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The “frameborder” attribute on the “iframe” element is obsolete.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The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Attribute “<!--” is not serializable as XML 1.0.
Attribute “--” is not serializable as XML 1.0.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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