Blog commenting can start real conversations with other writers in your field. It turns into spam when comments exist only to drop a link. This guide explains how to comment in a way that is useful and safe.
Short answer
Comment only when you have something genuine to add. Most blog comment links are nofollow, so they will not pass ranking value, and Google treats automated or link-dropping comments as spam. The real benefit is visibility, relationships and occasional referral traffic.
Where commenting is worthwhile
- Blogs and publications in your own industry that your customers read.
- Posts where you can add an example, a correction or an additional perspective.
- Sites with active discussion and moderated comment sections.
How to write a good comment
- Read the whole article before commenting.
- Reference a specific point and add something new.
- Use your real name or business name, not a keyword.
- Include a link to your site only in the website field, if it is relevant.
- Reply to follow-up questions.
What to avoid
- Generic comments such as “Great post, thanks for sharing”.
- Pasting links in the comment body.
- Commenting from automated tools or on unrelated blogs.
- Posting the same comment on many sites.
Related Guides
- Black hat vs white hat SEO
- The complete off-page SEO guide
- Forum submission guide
- Guest posting guide
Frequently asked questions
Do blog comments help SEO?
Not directly. Their value is exposure and relationships, not ranking signals.
Are comment links dofollow?
Most platforms add nofollow to user-submitted links by default.
Conclusion
Comment to contribute to a discussion, not to place links. Thoughtful comments on a few relevant blogs are worth more than hundreds of generic ones.



