请问这段代码在网站中起什么作用啊?有利于SEO吗
<script type="application/ld+json">
{
"@content": "https://",
"@id": https://www.123.cn/123.html,
"title": 123
"images": [
],
"description": 123456...,
"pubDate": 2022-04-12T18:05:07
"upDate": 2022-06-23T08:37:18
}
</script>
{
"@content": "https://",
"@id": https://www.123.cn/123.html,
"title": 123
"images": [
],
"description": 123456...,
"pubDate": 2022-04-12T18:05:07
"upDate": 2022-06-23T08:37:18
}
</script>