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HTML <img> referrerpolicy 属性

❮ HTML <a> 标签

示例

设置图像的 referrerpolicy

<img src="https://example.com/images/myimage.jpg" alt="Some image" referrerpolicy="no-referrer">

定义和用法

referrerpolicy 属性指定在获取图像时使用哪个推荐人信息。


浏览器支持

表中的数字指定完全支持该属性的第一个浏览器版本。

属性
referrerpolicy 51.0 79.0 50.0 11.1 38.0

语法

<img referrerpolicy="no-referrer|no-referrer-when-downgrade|origin|origin-when-cross-origin|unsafe-url">

属性值

描述
no-referrer 不发送推荐人信息
no-referrer-when-downgrade 默认值。推荐人标题不会发送到没有 HTTPS 的来源
origin 发送文档的来源(方案、主机和端口)
origin-when-cross-origin 对于跨源请求:仅发送方案、主机和端口。对于同源请求:还包括路径
unsafe-url 发送来源、路径和查询字符串(但不包括片段、密码或用户名)。此值被认为是不安全的

❮ HTML <a> 标签
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