Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “” for attribute “width” on element “img”: The empty string is not a valid non-negative integer.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
Duplicate ID “nav”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “icon_toggle”.
Bad value “” for attribute “id” on element “a”: An ID must not be the empty string.
Duplicate ID “”.
Duplicate ID “footer_left”.
Duplicate ID “footer_right”.
Bad value “//googleads.g.doubleclick.net/pagead/viewthroughconversion/951717458/
?value=0&guid=ON&script=0” for attribute “src” on element “img”: Tab, new line or carriage return found.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
The first occurrence of ID “nav” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Empty heading.
The first occurrence of ID “icon_toggle” was here.
The first occurrence of ID “” was here.
The first occurrence of ID “footer_left” was here.
The first occurrence of ID “footer_right” was here.
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