Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “bookmark” for attribute “rel” on element “link”: The string “bookmark” is not a registered keyword.
Attribute “z-st” not allowed on element “a” at this point.
Attribute “z-st” not allowed on element “span” at this point.
Attribute “z-st” not allowed on element “div” at this point.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
Attribute “z-st” not allowed on element “li” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “http://www.gogoup.com/course/GMjI5/?utm_source=zcool&utm_medium=index_01&utm_campaign=course_video&utm_content=229&utm_term= painting” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Attribute “name” not allowed on element “div” at this point.
Attribute “type” not allowed on element “textarea” at this point.
Attribute “onpropertychange” not allowed on element “textarea” at this point.
Attribute “z-st” not allowed on element “i” at this point.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Bad value “” for attribute “name” on element “textarea”: Must not be empty.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Bad value “” for attribute “id” on element “input”: An ID must not be the empty string.
Duplicate ID “autolog”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “autolog” was here.
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