The majority of referring domains have no topical connection to the site or the linked page, for example general directories, unrelated blogs or sponsorship pages. Topic-sensitive PageRank, a 2002 research method, scores pages by importance within topics, so off-topic links contribute little. Google has not confirmed using it, but does confirm links help it understand what pages are about. This check measures topical link relevance as a proxy.
Why does most backlinks come from sites unrelated to the page's topic (topic-sensitive pagerank) matter for AI search?
Topic-sensitive PageRank, a 2002 research method, scores pages by importance within topics, so off-topic links contribute little. Google has not confirmed using it, but does confirm links help it understand what pages are about. This check measures topical link relevance as a proxy.
How do you fix it?
Refocus outreach and digital PR on sector publications, associations, suppliers, customers and resource pages in your topic; stop pursuing off-topic link volume.
How do you find it on your site?
- Export referring domains from a backlink tool, excluding nofollow and obvious spam.
- Classify each domain's main topic manually or with a category API, using your site's topic list.
- Calculate the share of referring domains in or adjacent to your topic, and compare with two or three top ranking competitors.
- Flag the issue when on-topic domains are a clear minority and competitors show a higher on-topic share.
Which ranking and citation factors does it touch?
Written for the Topic-sensitive PageRank page (evidence: General theory). Google has not documented this system in a way a site can test directly, so this check measures a proxy for it, not the system itself.
What is the impact?
Indirect. Estimate only: topical links are likely to be more informative for relevance, but no confirmed Google weighting exists.
What is the evidence?
Haveliwala's Topic-Sensitive PageRank paper (WWW2002) and Google's ranking systems guide on link analysis systems.
Sources
Frequently asked questions about most backlinks come from sites unrelated to the page's topic (topic-sensitive pagerank)
What does "Most backlinks come from sites unrelated to the page's topic (Topic-sensitive PageRank)" mean?
The majority of referring domains have no topical connection to the site or the linked page, for example general directories, unrelated blogs or sponsorship pages.
How do you fix most backlinks come from sites unrelated to the page's topic (Topic-sensitive PageRank)?
Refocus outreach and digital PR on sector publications, associations, suppliers, customers and resource pages in your topic; stop pursuing off-topic link volume.