I’m continuing my series of posts about different types of backlinks. I’ve already covered profile backlinks and forum crowd links. Now I want to discuss another ancient type of backlink: links from blog comments. This is probably one of the most heavily spammed link types in the history of SEO. Comments were spammed 20 years ago, they’re still being spammed today, and I think people will continue doing it with XRumer and similar tools for at least another 10 years ) Let’s figure out whether these backlinks still make sense in 2026 and what I think about them — let’s go )
What are blog comment backlinks?
It’s very simple. Let’s say there’s an article on a website or blog with comments enabled at the bottom. You can share your important opinion, add something to the article, ask a question, or reply to another person. Somewhere within that comment, or in the “website” field, you leave a link to your project.
For example, there’s an article titled “How to Choose a Bicycle for the City” with 30 user comments below it. Someone asks about a specific model, someone describes the bike they ride, and someone else argues with the author. You leave something like: “Last year, I was choosing between these two models. I eventually bought the second one, but I also found this comparison of their specifications useful — link.” And now you have a backlink from a comment. It sounds great in theory, but in reality, the blog comment market usually looks a little different:
🟢 the article was published in 2013
🟢 the website gets zero traffic
🟢 the last legitimate comment was posted in 2017
🟢 it was followed by 400 messages saying “Great article!!!”
🟢 there are links to casinos, pills, crypto, and God knows what else
🟢 half of the pages are no longer indexed
And these are the backlinks being sold in packages of 500–1,000 🙂 But just like with profiles, there’s a huge difference between “you can place a backlink here” and “placing a backlink here actually makes sense.”
What are blog comment backlinks even good for?
I don’t believe in the idea that you can buy 500 comments and immediately push your website to the top. If it were really that simple, we wouldn’t buy $200–500 outreach links, build PBNs, search for decent expired domains, or spend so much time on link building. Just blast 10,000 comments with XRumer and enjoy your TOP 1 ranking. Why not? Because it doesn’t work that way. For me, comment backlinks serve several completely different purposes.
a) Diversifying the backlink profile
The logic here is roughly the same as with profiles and forums. Take any genuinely popular website with a large backlink profile. It will receive links from:
🟢 articles
🟢 forums
🟢 profiles
🟢 social media
🟢 comments
🟢 directories
🟢 blogs
🟢 strange aggregators
🟢 websites the project owner has never even heard of
That’s because a natural backlink profile is, by its very nature, a mixture of different link types. The only questions are quality and quantity. Getting 30 decent comments on relatively active pages or websites is one thing. Receiving 15,000 backlinks from Chinese blogs overnight is something completely different.
b) Building a background layer of backlinks
I generally treat profiles, comments, and some forum backlinks as background links. There are primary backlinks from which I expect authority to be passed and rankings to improve. Then there’s the supporting backlink mass. For example, I might build the following links to a project:
🟢 10 good outreach links
🟢 5 PBN backlinks
🟢 a couple of strong homepage links
🟢 30 profile links
🟢 20 forum links
🟢 30 comment links
To me, this looks more interesting than a new website suddenly receiving 20 perfectly selected, dofollow, anchor-rich editorial backlinks — and absolutely nothing else.
c) Maintaining steady link velocity
Another thing I like about these inexpensive backlink types is that they can help maintain steady link velocity. You don’t necessarily have to buy a $300 outreach link every day. Instead, a profile link appears today, a comment tomorrow, a forum link the day after, then a Web 2.0 link, followed by an outreach link a few days later. The backlink profile keeps growing gradually. I like this approach much more than getting zero backlinks during the first month, then 30 outreach links in two days, followed by another two months with no new backlinks. That approach is complete bullshit.
What kind of comments would I actually place?
First, I wouldn’t focus on the domain’s DR. I’d look at the specific page instead. You can find a DR 70 website and leave a comment on an article from 2011 that dropped out of the index years ago — but why the hell would I need that backlink? I would check whether:
🟢 the page is indexed
🟢 it receives at least some traffic, preferably
🟢 the article is relevant to my niche
🟢 the website itself is active
🟢 the comments are open to indexing
🟢 the page hasn’t become a dumping ground for 500 spam comments
🟢 the backlink is actually present in the HTML
🟢 the comment looks like a normal message written by a real person
If the page also has backlinks of its own, that’s even better. To me, one comment on a live article with traffic is far more valuable than 100 comments on dead pages with “DR 80.”
Does topical relevance matter?
I believe it’s preferable. If I have an SEO website, I’d rather leave a comment under an article about link building, Google, marketing, websites, business, and so on than spam my link under a borscht recipe just because the domain has a DR of 73 😂 You don’t necessarily need a perfect topical match. The main thing is that the backlink can be logically incorporated into the discussion. If you have to invent some crazy story just to include your link, the platform probably isn’t suitable.
What about nofollow and UGC?
A lot of people overthink this as well. If a backlink is nofollow, what’s the point of having it? If my goal is to build a diverse backlink profile and create a background layer of links, I don’t see any problem with nofollow or UGC backlinks. In fact, I’d say the opposite: if a project has 100% dofollow backlinks with commercial anchors, that looks far more suspicious to me. Not every backlink has to be created solely to pass PageRank.
What do I think about automated comment spam?
I treat it purely as a separate tool. I don’t believe that every automated blast is automatically evil or that the website will be penalized the next day. But you need to understand that a manually written comment on a live page you selected yourself and 50,000 automated comments blasted across a database are two completely different products. Your expectations should also be different. I would consider automation primarily for experiments, Tier 2/3 links, indexing, specific grey-hat strategies, and testing. But if we’re talking about a white-hat commercial project for which I’m building a long-term backlink profile, I’d rather manually select 30–50 decent pages than buy “10,000 DR 30+ comments.”
Do blog comment backlinks still work in 2026?
As a primary SEO tool, I’d say definitely not. As an additional backlink type, I’m in favour of them. I wouldn’t expect a $3–5 comment to move a high-volume keyword from position 15 to position 3. That isn’t its purpose. For me, comments belong roughly in the same category as profile and forum links. They aren’t a magic pill or a primary backlink type. But they’re a perfectly reasonable supporting tool if you understand exactly why you’re using them. Buying 10,000 comments and then refreshing Ahrefs every day while waiting for growth is very strange 🙂
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CIS and international markets (gambling, casinos, dating, crypto, and white-hat projects)
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