error: 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.

Classification

Validator	Validator version	Error message type
v.Nu

File format	Version	Specification	Description	Location
text/html	5

Analyses

Analysis

Is it a bug in the validating software? - no

Possible solutions

Output example

Notes on the error

Related errors by source files

v.Nu:   error: 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.
v.Nu:   error: An "img" element which has an "alt" attribute whose value is the empty string must not have a "role" attribute with any value other than "none" or "presentation"
v.Nu:   error: Attribute "caption" not allowed on element "img" at this point.
v.Nu:   error: Bad value "1" for attribute "novalidate" on element "form".
v.Nu:   error: Element "div" not allowed as child of element "span" in this context. (Suppressing further errors from this subtree.)
v.Nu:   error: End tag "a" violates nesting rules.
v.Nu:   error fatal: Cannot recover after last error. Any further errors will be ignored.
v.Nu:   error: Start tag "a" seen but an element of the same type was already open.
v.Nu:   error: The "cellpadding" attribute on the "table" element is obsolete. Use CSS instead.
v.Nu:   error: The "cellspacing" attribute on the "table" element is obsolete. Use CSS instead.
v.Nu:   error: The "itemprop" attribute was specified, but the element is not a property of any item.

Notice: any operation suggested on this page should be carefully considered before use, as this article is in continuous development.