Simpleology.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode 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”.
Bad value “PRAGMA” for attribute “http-equiv” on element “meta”.
Bad value “CACHE-CONTROL” for attribute “http-equiv” on element “meta”.
A slash was not immediately followed by “>”.
Attribute “--” not allowed on element “meta” at this point.
Attribute “value” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
Warnings:
Attribute “--” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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