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Dofollow vs. Nofollow vs. Sponsored Links: What Passes SEO Value?

What the rel attributes mean, what Google's documentation says they are for, and how to read the link-type column on a ChainEpic row.

4 min readPublished Oct 16, 2026ChainEpic Editorial

Key takeaways

  • ✓Nofollow, sponsored, and ugc are hints that you do not want the link treated as an unpaid endorsement.
  • ✓A missing rel is what people mean by dofollow. It is not a guarantee of a ranking.
  • ✓If the placement is paid, sponsored is the attribute Google's documentation points at. Confirm the column before you pay.

The attributes, without the folklore

A link is an href. The rel attribute tells crawlers how you would like that link to be treated. Google's page on qualifying outbound links is the source to keep open. The short version they publish: rel="sponsored" for paid links, rel="ugc" for user-generated content such as comments and forum posts, and rel="nofollow" when you want to link without implying an endorsement, including cases where you do not want to name a more specific value. You can combine them.

There is no rel="dofollow". "Dofollow" means you did not add nofollow, sponsored, or ugc. People say the link "passes value" as shorthand for "this looks like a normal editorial endorsement." Google's systems decide what to do with it. The attribute is your statement. It is not a lever that adds a fixed number of positions.

What "passes SEO value" can honestly mean

A normal editorial link can help Google discover the target, and it can be one of the signals that the target is referenced by other sites. That is the entire careful claim. It does not mean a dofollow link from a DR 50 site is worth a set number of visits. It does not mean a nofollow link is worthless. Nofollow links still send people, they still put the brand in a sentence, and they still show up in some link indexes as referring domains that do not carry the same treatment.

Paid links that pretend to be unpaid editorial mentions are the case the spam policies describe. If you are buying the placement, assume you are in that case until the rel attribute says otherwise. The safety guide is the longer version. The glossary version is: label the ad.

UGC, referring domains, DR, and URL Rating

Terms that get mixed together on orders
TermWhat it actually is
rel="ugc"A hint that the link was placed by a user, such as a comment or forum post.
Referring domainA site that links to you at least once. Ten links from one site are still one referring domain.
Dofollow referring domainA referring domain whose links are not marked nofollow, sponsored, or ugc. Indexes define the filter slightly differently. Check the tool you are quoting.
DRAhrefs' domain-level score. It is not a Google metric and it is not the quality of one URL.
URL Rating (UR)Ahrefs' page-level score. Closer to the URL you are buying than DR is, and still not a ranking.
DAMoz's domain score. A different model from DR. Do not average them.

When a marketplace row shows DR and traffic side by side, read both. DR without traffic is how expired domains get sold. Traffic without a topic match is how you end up on a news site that will publish anything. The price tables keep those columns together for that reason.

How to read the column on ChainEpic

The marketplace table has a link-type field. On the rows shipped with the site, the value is DoFollow, and checkout copy says dofollow is guaranteed. That is a statement about the attribute the publisher is supposed to use, plus the FAQ's replacement rule if it flips to nofollow within 12 months. It is not a statement that Google will count the link, and it is not a sponsored label.

If you need rel="sponsored", do not discover that after the URL is live. Say it in the order notes and wait for a yes. If the row cannot offer it, pick a different plan or a different inventory. The marketplace comparison puts this question in the scorecard because it is one of the few answers that should be boring and written down.

FAQ

No. It means you are not offering it as an unpaid endorsement. It can still send visitors and put the brand in front of an audience. It is a poor purchase if the only thing you bought was ranking credit.

Google's documentation points at rel="sponsored" for paid links. The current public rows are marked DoFollow. If you need the sponsored attribute, confirm it before you pay. Do not assume the column will change later.

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