Schoollockers.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “product_nav”.
Duplicate ID “about_nav”.
Duplicate ID “nav-single-dropdown-link”.
The element “label” must not appear as a descendant of the “a” element.
Duplicate attribute “data-cycle-timeout”.
No “p” element in scope but a “p” end tag seen.
Stray end tag “i”.
Element “summary” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “span”.
Stray end tag “div”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “product_nav” was here.
The first occurrence of ID “about_nav” was here.
The first occurrence of ID “nav-single-dropdown-link” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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