Islideusa.com 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.
Stray end tag “script”.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “//fonts.googleapis.com/css?family=Open+Sans+Condensed:700|Open+Sans:400,400italic,700,700italic|Open+Sans+Condensed:700|” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
“data-*” attribute names must be XML 1.0 4th ed. plus Namespaces NCNames.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute “data-template"index"” is not serializable as XML 1.0.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
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