Compromisorse.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:og” not allowed here.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “input” is missing required attribute “alt”.
Attribute “heght” not allowed on element “img” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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