Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
Bad value “{handler: 'iframe', size: {x: 750, y: 450}}” for attribute “rel” on element “a”: The string “{handler:” is not a registered keyword.
Bad value “/images/players/Lancelot Television.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “{handler: 'iframe', size: {x: 280, y: 170}}” for attribute “rel” on element “a”: The string “{handler:” is not a registered keyword.
Bad value “/images/players/Lancelot Radio.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “{handler: 'iframe', size: {x: 280, y: 100}}” for attribute “rel” on element “a”: The string “{handler:” is not a registered keyword.
Bad value “0” for attribute “size” on element “input”: Zero is not a positive integer.
Bad value “{handler: 'iframe', size: {x: 100, y: 50}}” for attribute “rel” on element “a”: The string “{handler:” is not a registered keyword.
Bad value “/images/players/Lancelot Television.svg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “/images/players/Lancelot Radio.svg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “true” for attribute “allowfullscreen” on element “iframe”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “sp-simple-youtube111”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
The “align” attribute on the “input” element is obsolete. Use CSS instead.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
The first occurrence of ID “sp-simple-youtube111” was here.
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