Daniusoft.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Attribute “value” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “addthis:url” not allowed on element “div” at this point.
Attribute “fb:like:layout” not allowed on element “a” at this point.
Attribute “tw:count” not allowed on element “a” at this point.
Attribute “g:plusone:size” not allowed on element “a” at this point.
Warnings:
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Attribute “addthis:url” is not serializable as XML 1.0.
Attribute “fb:like:layout” is not serializable as XML 1.0.
Attribute “tw:count” is not serializable as XML 1.0.
Attribute “g:plusone:size” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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