Constantly Writing Promotional Articles for the Same Forums

SEO
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1

I have a list of around 10 high-quality forums, and I send promotional posts there every day. I wonder if doing this continuously will be harmful?

2

I suggest expanding the list. Posting the same site to the same places constantly isn’t good and won’t have much effect. We shared a list on the forum for forum promotion.

3

But wouldn’t posting to low-quality forums be harmful?

4

This is the correct way to do forum promotion.
This is also a list of forums that can be used.