Canvasholidays.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 “type” attribute is unnecessary for JavaScript resources.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
CSS: Unknown pseudo-element or pseudo-class “::i-block-chrome”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “tel:0345 268 0827” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Element “img” is missing required attribute “src”.
Attribute “server-error” not allowed on element “form” 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.
Bad value “true” for attribute “async” on element “script”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “https://www.facebook.com/tr?id=1587525598016356&ev=PageView
&noscript=1” for attribute “src” on element “img”: Tab, new line or carriage return found.
The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.
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