Ponggame.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Bad value “0px” for attribute “border” on element “img”: Only “0” is a permitted zero literal.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Bad value “650px” for attribute “width” on element “object”: Expected a digit but saw “p” instead.
Bad value “480px” for attribute “height” on element “object”: Expected a digit but saw “p” instead.
Element “object” is missing one or more of the following attributes: “data”, “type”.
Bad value “650px” for attribute “width” on element “embed”: Expected a digit but saw “p” instead.
Bad value “480px” for attribute “height” on element “embed”: Expected a digit but saw “p” instead.
Stray end tag “embed”.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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