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 “true” for attribute “crossorigin” on element “link”.
Bad value “crossorigin” for attribute “crossorigin” on element “link”.
CSS: “cursor”: “hand” is not a “cursor” value.
CSS: “font-style”: “bolder” is not a “font-style” value.
CSS: Parse Error.
CSS: “margin-top”: Too many values or values are not recognized.
CSS: “bottom”: only “0” can be a “unit”. You must put a unit after your number.
CSS: “left”: only “0” can be a “unit”. You must put a unit after your number.
CSS: “right”: only “0” can be a “unit”. You must put a unit after your number.
CSS: “size”: Property “size” doesn't exist.
Bad value “” for attribute “href” on element “link”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “img” is missing required attribute “src”.
Element “source” is missing required attribute “srcset”.
The element “button” must not appear as a descendant of the “a” element.
Attribute “target” not allowed on element “img” at this point.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
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).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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