在 Discourse 中显示星级评分非常简单。我很乐意分享，只需几个简单的步骤即可完成。
流程
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为您的 Discourse 应用设置 Google 标签管理器
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添加一个包含 JSON-LD 标记的新 HTML 标签
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按特定 URL 的页面浏览筛选触发器
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发布，等待 24 小时以在搜索引擎结果页面 (SERPs) 中看到结果。
谢谢
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Interesting. Where are you getting the rating from, Google?
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Yes, it is Google SERPs. 
Looks interesting and useful for other types of integrations with tag manager. Can you show what to add in head section of Discourse?
Oh but Discourse has a setting to do that for you. Search settings for GTM.
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Good to know, we can add GTM script via Settings. Thanks for the hint about better way.
Updated, above quick guide.
@neil There is one problem when I add GTM script via Discourse settings, it places inside body.
Expected: It should be in the head.
Previously, it was recommended by Google to place in the body.
But now, they have updated their guidelines: “Paste this code as high in the <head> of the page as possible”.
Can we make this possible?
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Thanks for pointing that out. Yes we should change it to be in the head. Added to my list.
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“As high in the <head> as possible”
… 
I think they’re just being greedy there. A normal position in the head should be fine.
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Depending on the kind of rating you’re after you can also use the ratings plugin, which automatically adds the average rating for a topic as structured data to the topic page html.
Example from a user here: Topic Ratings Plugin
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@Gulshan_Kumar I updated our GTM support today so it adds the code to the head and the body according to the new instructions.
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Currently I could not see star rating showing in SERP for above two post.
- Bunny CDN Review.
- Obstetrics and Cynecology at studmed.dk
@Gulshan_Kumar - are you removing star rating in gtm or use any method?
The method which I suggested (using GTM+JSON-LD for star rating) works completely fine. You can continue to use it.
In my case, I intentionally removed from that post due to some personal reason. Nothing else.
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