验证错误:“已指定itemprop属性，但该元素不是任何项目的属性"； [英] Validation error: "The itemprop attribute was specified, but the element is not a property of any item"
问题描述
为了获得更好的SEO，我需要在页面上放置一些元数据，如下所示:
<!-- Schema.org markup for Google+ -->
<meta itemprop="name" content="The Name or Title Here">
<meta itemprop="description" content="This is the page description">
<meta itemprop="image" content="http://www.example.com/image.jpg">
然后我在标记验证服务上检查以下代码:
<!DOCTYPE html>
<html>
<head lang="en">
<meta itemprop="name" content="The Name or Title Here">
<meta itemprop="description" content="This is the page description">
<meta itemprop="image" content="http://www.example.com/image.jpg">
<meta charset="UTF-8">
<title>My title</title>
</head>
<body>
My body.
</body>
</html>
引发此错误:
第4行，第57列:已指定
itemprop属性，但该元素不是任何项目的属性.<meta itemprop="name" content="The Name or Title Here">第5行，第70列:已指定
itemprop属性，但该元素不是任何项目的属性.<meta itemprop="description" content="This is the page description">第6行，第68列:已指定
itemprop属性，但该元素不是任何项目的属性.<meta itemprop="image" content="http://www.example.com/image.jpg">
我该如何解决?
您应明确提供这些属性(name，description，image)所属的类型.
在Schema.org中，所有内容都是 Thing . Thing有许多子类型，在更多特定类型"下列出.从此处开始，然后为您的内容选择最具体的类型.
例如: WebPage ， Article 或 BlogPosting .
它看起来像(这里以WebPage为例)
<html itemscope itemtype="http://schema.org/WebPage">
For better SEO I need put some meta on my page like this:
<!-- Schema.org markup for Google+ -->
<meta itemprop="name" content="The Name or Title Here">
<meta itemprop="description" content="This is the page description">
<meta itemprop="image" content="http://www.example.com/image.jpg">
Then I check this code on Markup Validation Service:
<!DOCTYPE html>
<html>
<head lang="en">
<meta itemprop="name" content="The Name or Title Here">
<meta itemprop="description" content="This is the page description">
<meta itemprop="image" content="http://www.example.com/image.jpg">
<meta charset="UTF-8">
<title>My title</title>
</head>
<body>
My body.
</body>
</html>
Throwing this error:
Line 4, Column 57: The
itempropattribute was specified, but the element is not a property of any item.<meta itemprop="name" content="The Name or Title Here">Line 5, Column 70: The
itempropattribute was specified, but the element is not a property of any item.<meta itemprop="description" content="This is the page description">Line 6, Column 68: The
itempropattribute was specified, but the element is not a property of any item.<meta itemprop="image" content="http://www.example.com/image.jpg">
How can I fix this?
You should explicitly provide a type these properties (name, description, image) belong to.
In Schema.org, everything is a Thing. Thing has many child types, listed under "More specific Types". Start there and choose the most specific type for your content.
For example: WebPage, Article or maybe BlogPosting.
It could look like (using WebPage as example here):
<html itemscope itemtype="http://schema.org/WebPage">
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