GlossarySEO
What is a private blog network (PBN)?
Also called: PBN, blog network, link network
Definition
A private blog network (PBN) is a group of websites controlled by one person or company that exist mainly to link to other sites and inflate their rankings, often built on expired domains with existing backlinks.
Private blog network (PBN), explained
The recipe is familiar to anyone who has received SEO spam. Buy expired domains that still have backlinks, put up thin blogs that look independent, and link from them to the sites you want to rank, your own or paying clients'. Operators hide the connections with different hosts, themes and registrant details.
Google's spam policies don't use the phrase "private blog network", but a PBN touches several named practices at once. Link spam covers creating links primarily to manipulate rankings, including buying or selling links and low-value content created mainly to manipulate linking signals. Expired domain abuse covers repurposing an old domain mainly to manipulate rankings with little value to users. A PBN is usually both.
What happens in practice: Google's systems are designed to recognize link patterns, and PBN links tend to stop counting once detected, quietly. Rankings built on them fade. Where links were bought or placed at scale, Search Console can show a manual action for unnatural links, and cleaning that up takes removals, disavows and a reconsideration request.
PBN links are often sold under other names: "high-DR guest posts", "niche edits on authority sites", "private link packages". The tell is a seller who can place links on many unrelated sites quickly, for a fixed price, with no editorial process. Real publications don't work that way.
The honest alternative is slower and more durable: earn links from sites with real audiences because your product, data or content deserves them.
Why it matters for founders
PBN links are cheap and fast, which is exactly why they're sold to founders. They tend to stop counting once detected, and the rankings you paid for go with them.
Example
A founder buys "20 DR 50+ links" for a few hundred dollars. The linking sites all went live in the same month, have no real readers and link out to casinos and supplements too. The links do nothing within a quarter.
Common mistakes
- Buying link packages without asking where the links come from.
- Building your own network of sites to link to your product.
- Judging linking sites by Domain Rating instead of real audience.
Sources
Checked
Related terms
- Link schemeA link scheme is any practice of creating links to or from a site mainly to manipulate search rankings, such as buying links, excessive link exchanges or automated link building. Google calls it link spam.
- Expired domain abuseExpired domain abuse is buying an expired domain and repurposing it mainly to manipulate rankings, hosting low-value content that relies on the old site's reputation and links. Google's spam policies prohibit it.
- Paid links (sponsored links)Paid links are links placed in exchange for money, goods, services or free products. Google allows them for advertising if they're marked
rel="sponsored"ornofollow; unmarked paid links that pass ranking credit are link spam. - Disavow linksDisavowing links means uploading a file to Google's disavow links tool that lists pages or domains whose links to your site you want Google to ignore. Google says most sites will never need it.
- Niche editA niche edit, or link insertion, is getting a link added to an existing article on someone else's site, usually for payment. Because the link is bought and passes ranking credit, it falls under Google's link spam policy.