2045.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Stray end tag “link”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Attribute “href” not allowed on element “img” at this point.
The “big” element is obsolete.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.
Attribute “onshow” not allowed on element “div” at this point.
Element “input” is missing required attribute “alt”.
Bad value “/images/milestones_en.png” for attribute “rel” on element “a”: The string “/images/milestones_en.png” is not a registered keyword.
Bad value “true” for attribute “allowfullscreen” on element “iframe”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “regpopupalt” not allowed on element “img” at this point.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Warnings:
Empty heading.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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