将博客文章标签用作元数据关键字 [英] Use blogger post labels as meta data keywords

问题描述

我开始从头开始制作博客模板，并且正在研究有关每个帖子的最佳SEO元数据.我认为使用meta name = keywords的最合乎逻辑的方法是使用帖子标签作为关键字，但是我不明白为什么我无法检索数据并将其显示在meta部分中，因为我可以使用描述中的数据.例如:

I am starting to make blogger templates from scratch and i am making a research about best SEO metadata for each post. I think the most logical way to use meta name=keywords is to use post labels as keywords but i don't understand why i cant retrieve the data and display it in the meta section as i can with the data from description. for expample:

    <b:if cond='data:blog.pageType != &quot;error_page&quot;'>
<meta expr:content='data:blog.metaDescription' name='description'/>
</b:if>

将来自blog.metaDescription的数据作为元描述的内容，但是当我想使用时:

puts the data comming from blog.metaDescription as content for meta description, but when i want to use:

<meta expr:content='data:post.labels.name' name='keywords' />

应该是从帖子标签中检索到的数据，它什么也不显示...好像没有此类数据...我不知道为什么请帮忙...我对此非常生气，我尝试过很多东西，我不能完成使用后标签作为元关键字.

Which should be the data retrieved from the post labels, it doesn't display anything... as if there is no such data... i wonder why please help ... i am going mad with this, i tried a lot of stuff and i cant accomplish to use post labels as meta keywords.

最好的问候

推荐答案

您只能在Blog Posts小部件<b:widget type='Blog' ...>中检索帖子标签，并且只能通过如下所示的循环标签

You can only retrieve post labels inside Blog Posts widget <b:widget type='Blog' ...> and that is through a loop tag like the following

<b:loop values='data:post.labels' var='label'>
    <data:label.name/>
</b:loop>

或者您也可以使用lambda表达式

Or you can also use a lambda expression

<b:eval expr='data:post.labels map (label => label.name)'/>

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