Do UGC-Tagged Links Pass Any SEO Value?

Barely any directly. rel="ugc" marks a link as coming from user-generated content — a comment, forum post or member profile — and tells Google not to pass ranking signals through it. Since September 2019 Google has described all link attributes as hints rather than strict rules, so a little may pass, but never plan on it.

What rel="ugc" actually is

It is one of three link attributes Google introduced on 10 September 2019, alongside rel="sponsored" and the existing rel="nofollow".

<a href="https://yoursite.com" rel="ugc">a link in a comment or forum post</a>

The attribute exists to let a site owner be honest about provenance. A publisher cannot vouch for a link a stranger dropped in the comments section, but they may not want to nofollow everything either — a long-standing forum member's link is a different thing from a drive-by spammer's. The ugc value says "this came from a user, not from us," and leaves Google to decide what to do with that.

The important point for link builders: from a value perspective, ugc behaves like nofollow. It is a signal that the host site is not editorially endorsing the destination, and editorial endorsement is the entire basis of link equity.

"Hint, not directive" — what actually changed

Google's 2019 announcement made two changes that people frequently mix up.

For ranking purposes, all three attributes became hints. Google reserves the right to look at a nofollow or ugc link and decide it is worth considering anyway — for example, to better understand the link graph or to recognise an entity.

For crawling and indexing purposes, nofollow became a hint too, from 1 March 2020. Before that date, a nofollowed URL was not used as a crawl path at all.

What did not change is the practical outcome. Google has never said how often it decides to honour a hint versus ignore it, and there is no way to observe that from outside. Reading "hint" as "so ugc links might work after all" is wishful thinking. The safe planning assumption is the one Google's own documentation implies: these links are not how you move rankings.

Where you will actually meet ugc links

Placement	Typical attribute	Notes
WordPress blog comments	`ugc` (often plus `nofollow`)	WordPress core has applied `ugc` to comment links since version 5.3 (2019)
Forum posts and signatures	`nofollow` or `nofollow ugc`	Varies by platform and admin config
Reddit outbound links	`nofollow`	See do Reddit links help SEO
Q&A sites (Quora, Stack Exchange)	`nofollow`	See are Quora backlinks worth it
Member and author profiles	`nofollow` or `ugc`	Frequently sitewide boilerplate as well
Community wikis	`nofollow`	Wikipedia nofollows its external links

Notice that most user-generated placements pre-date the ugc attribute and were already nofollowed. Adoption of the newer tag is patchy — plenty of large platforms never migrated. So in practice you will see nofollow, ugc, nofollow ugc, or occasionally no attribute at all. That last case usually means the platform has a spam problem rather than that you have found an opportunity.

What a ugc link is genuinely worth

Three returns are real. None of them is link equity.

Referral traffic. A helpful answer in an active thread can send more qualified visitors than a followed link on a dormant blog ever will. This is the return that actually pays, and it shows up in your analytics rather than being guessed at.

Discovery. Google can and does follow these URLs. A new page nobody has linked to yet can get crawled because someone mentioned it in a thread. That is a genuine, if small, benefit — and it is a crawling effect, not a ranking one.

Brand signal. Being named and discussed across communities feeds the picture search engines and AI assistants build of who you are. This matters more than it used to: AI answer engines lean heavily on forum and community discussion when deciding which brands to name. The related mechanic is covered in do brand mentions without a link help SEO.

What a ugc link does not do is move you up the results page. If a service is selling you "high DA UGC backlinks," it is selling comment spam under a newer name.

ugc vs nofollow vs sponsored

Attribute	Means	Used for
`rel="ugc"`	A user added this, not the publisher	Comments, forum posts, profiles
`rel="nofollow"`	Do not pass ranking signals; no reason given	Untrusted links, generic catch-all
`rel="sponsored"`	Money or goods changed hands	Ads, paid placements, affiliate links
No attribute	The publisher editorially endorses this	Earned in-content links

The values combine — rel="ugc nofollow" is valid and common. Note the compliance point in the third row: a paid link that is not marked sponsored or nofollow is a link scheme violation under Google's spam policies, which is a large part of why buying links carries more risk than it appears to. That trade-off is covered in is it worth paying for backlinks.

How to check what your link is tagged with

Thirty seconds, no tools required.

Open the page holding your link.
Right-click the link and choose Inspect.
Read the <a> tag in the Elements panel. Any rel value is right there.

For a whole-page sweep, view source and search for your domain. Most backlink tools also report the attribute, but they can lag behind changes made on the live page — the raw HTML is the authority.

Should you chase ugc-tagged links?

Not as a link building tactic. As a marketing activity, sometimes.

Answer questions in communities where your customers already are, and do it because the referral traffic and the reputation are worth having. Judge the work on visits and replies, not on link counts. The moment you find yourself posting to accumulate links rather than to be useful, you have crossed into the pattern Google's spam policies describe — forum and comment spam is one of the oldest recognised versions of it.

Then spend your actual link building time on placements that pass value: editorial links inside relevant body copy, on real sites, that a person chose to add. Backlinkster matches site owners for one-for-one in-content swaps and verifies with code that each link is live — including that it is a real followable anchor rather than a tagged one. Five swaps a month on the free plan; see the plans.

Frequently asked questions

Do rel="ugc" links pass link equity? Effectively no. The attribute tells Google the link is user-generated and not a publisher endorsement, so ranking signals are not passed. Google calls it a hint rather than an absolute rule, but there is no way to detect or rely on an exception.

Is rel="ugc" the same as nofollow? Not identical, but the ranking outcome is the same. nofollow says "do not pass value"; ugc says "a user put this here." Both signal the absence of editorial endorsement, and many sites apply them together.

Does Google still crawl ugc links? Yes. Since March 2020 Google has treated these attributes as hints for crawling and indexing as well as ranking, so a URL first seen in a comment or forum post can still be discovered.

Do ugc links help with AI search visibility? Indirectly. The link itself carries no weight, but AI answer engines draw heavily on forum and community discussion, so genuine presence in those conversations can influence whether you get named.

Should I add rel="ugc" to comments on my own site? Yes. It is the accurate label for links your readers add, it stops you appearing to endorse whatever they post, and most modern platforms apply it automatically.

Can ugc links hurt my site? A handful, no. A campaign of them, potentially — mass comment and forum posting is named in Google's link spam policies, and the pattern is easy to see in a profile. See what to avoid when building backlinks.

The bottom line

Treat rel="ugc" as a label that says "this link will not move your rankings," and plan accordingly. The value on offer is traffic, discovery and reputation — all worth having, none of it link equity. Post in communities because it is good marketing, then earn your ranking signal from editorial in-content links elsewhere.