What does it mean to disavow links?

Disavow links, explained

Google's Search Console documentation is cautious. It calls disavow an advanced feature that should only be used with caution, because using it incorrectly can harm your site's performance in Search. It says that in most cases Google can assess which links to trust without additional guidance, so most sites won't need the tool.

Google sets two conditions, both of which should be true: you have a considerable number of spammy, artificial or low-quality links pointing to your site, and the links have caused a manual action, or likely will. That second part matters. The typical case is a site that bought links or ran link schemes in the past, not a site that simply has some junk links pointing to it.

Before disavowing, Google suggests trying to get the links removed at the source. Disavow is for the ones you can't remove. The file is a plain text list, one URL or domain:example.com per line, uploaded in Search Console.

"Toxic backlinks" is a term from SEO tools, not from Google. Every site accumulates spammy links from scrapers and auto-generated pages. Tool scores that label them toxic can push founders into disavowing links Google was already ignoring, or worse, good links the tool misjudged.

If you have a manual action for unnatural links in Search Console, disavow is part of the cleanup, alongside removals and a reconsideration request. If you don't, and you never bought links, you can almost certainly leave the tool alone.

Why it matters for founders

Founders often receive scary "toxic backlink" reports and pay for cleanup they don't need. Google's own guidance says disavowing is rarely necessary and can do harm when misused.

Example

A startup's SEO tool flags 200 "toxic" links from scraper sites. There's no manual action and the startup never bought links, so the founder leaves them alone, as Google's guidance suggests.

Common mistakes

• Disavowing links because a tool labeled them toxic.
• Disavowing whole domains that include good links.
• Using disavow instead of cleaning up links you bought.