Rimworldgame.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
The “center” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
Element “thumbgrid” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “group” for attribute “rel” on element “a”: The string “group” is not a registered keyword.
Element “input” is missing required attribute “alt”.
Duplicate ID “buybutton”.
Duplicate ID “sidebox”.
Duplicate ID “sidenote”.
Warnings:
The first occurrence of ID “buybutton” was here.
The first occurrence of ID “sidebox” was here.
The first occurrence of ID “sidenote” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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