HTML Guide
A <meta> element without a content, itemprop or property attributes has been found in an unexpected place.
Check its attributes and context - depending on the section of the document (<head> or <body>), the <meta> element allows different attributes.
Learn more:
Related W3C validator issues
A <meta> tag has been found that is missing its required content. Example of a valid meta tag:
<meta name="description" content="Description of the page" />A <meta> element without a itemprop or property attributes has been found in an unexpected place.
While the <meta> element is commonly used within the <head> section of the document, it can also be used within the <body> section, for example in the context of defining microdata, as in this example:
<div itemprop="offers" itemscope itemtype="http://schema.org/Offer">
Price: $<span itemprop="price">1.00</span>
<meta itemprop="priceCurrency" content="USD" />
</div>When used within the <body> section, the <meta> element is required to have a itemprop or property, and a content attribute, and it can’t have a http-equiv or charset attribute.
A common cause for this issue is including a <meta> element that was intended for the <head> section (for example one containing a http-equiv attribute in the <body> , for example:
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<form>
...
</form>A <meta> element has an invalid value for the property attribute, probably caused by invalid double quotes. Check out the double quotes, ” should be ".
The correct markup for this meta tag should be like:
<meta property="og:type" content="website" />A <meta> tag has been found in the document stating that the charset is windows-1251, but it actually is utf-8. You should update the tag to reflect the actual encoding of the document, for example:
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">A <meta> tag has been found in the document stating that the charset is windows-1252, but it actually is utf-8. You should update the tag to reflect the actual encoding of the document, for example:
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">link elements are used to link to external resources, such as stylesheets, scripts, and icons. Including relevant attributes in the link element helps provide additional information about the linked resource.
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rel: The rel attribute specifies the relationship between the current document and the linked resource, and can also provide additional information about the type of linked resource. For example, using rel="stylesheet" for a linked CSS file or rel="icon" for a linked favicon.
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itemprop: If the linked resource is an HTML document or a microdata vocabulary like Schema.org, use itemprop to specify properties the linked document or vocabulary defines.
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property: If the linked resource is an RDF resource, use property to provide metadata about the relationship between the current document and the resource being linked.
Example with rel attribute:
<head>
<link rel="stylesheet" href="styles.css">
<!-- Other meta tags -->
</head>Example with itemprop and property attributes:
<head>
<link itemprop="mentions" href="https://example.com/">
<link property="schema:citation" href="https://example.com/article.html">
<!-- Other meta tags -->
</head>By adding itemprop, property, or rel as necessary, you can ensure your link elements provide appropriate context and semantic meaning to your HTML document.
In HTML5 you’re encouraged to use Unicode (UTF-8) character encoding rather than a legacy character encoding such as Latin1 (Windows-1252 or ISO 8859-1).
In short, it can be just a matter of using <meta charset="utf-8"/> in your document, but you should also ensure that your pages are also saved and served as UTF-8.
The <meta charset> is expected to appear at the beginning of the document, within the first 1024 bytes. Consider moving it to the beginning of the <head> section, as in this example:
<head>
<meta charset="utf-8">
...
</head>A character encoding declaration is a mechanism by which the character encoding used to store or transmit a document is specified. For HTML documents, the standard way to declare a document character encoding is by including a <meta> tag with a charset attribute, typically <meta charset="utf-8">.
According to the W3C standard:
The element containing the character encoding declaration must be serialized completely within the first 1024 bytes of the document.
In order to define the charset encoding of an HTML document, both of these options are valid, but only one of them must appear in the document:
<!-- This is the preferred way -->
<meta charset="UTF-8">
<!-- This is the older way, also valid -->
<meta http-equiv="content-type" content="text/html; charset=UTF-8">The <meta charset> tag, used to define the character encoding, must appear only once in a document, within the <head> section.