Discourse で星評価を表示するのは簡単です。共有できて嬉しいです。簡単な数ステップで実現できます。
手順
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Discourse アプリケーション向けに Google タグマネージャーを設定する
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JSON-LD マークアップを含む新しい HTML タグを追加する
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特定の URL に対してページビューでトリガーをフィルタリングする
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公開し、24 時間待って SERP での結果を確認する
ありがとうございました。
「いいね！」 8
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.
「いいね！」 3
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.
「いいね！」 1