Apart from using labels to group posts, you can insert a unique group identifier within the post content, referred to here as in-post tagging.
There's a limit to how many labels you can have in a Blogger post and in the blog itself. If you already have many labels to the point that you can no longer add a new one, in-post tagging can be a good alternative. Otherwise, sticks with post labels for ease of use and maintenance.
Unlike labels, in-post tagging doesn't bloat your blog feed size but still allows you to search posts by the tag name.
The recommended naming style for a tag is:
contains two or more words,
written in snake case (lowercase, separated by underscores, e.g. series_blog_writing).
The simplest way would be to insert it at the end of the post with a little description:
.. and that's about it, thank you for reading!
in-post tags: weekly_blog_design ***
Now, if you try to search for "weekly_blog_design" on your blog, it should returns all the posts containing that particular tag.
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