Kopalnia.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “ga-a” not allowed on element “a” at this point.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “a” at this point.
Attribute “value” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
Bad character “ ” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
Bad value “new_window” for attribute “rel” on element “a”: The string “new_window” is not a registered keyword.
Duplicate ID “searchBtn”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute “"” is not serializable as XML 1.0.
Empty heading.
The first occurrence of ID “searchBtn” was here.
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