Trust Flow: Majestic's Backlink Quality Metric Explained
Trust Flow answers one question: how close are the sites linking to you to the most trustworthy corners of the web? It is one of the most useful third-party metrics for separating clean backlink prospects from PBN networks, and pairs naturally with Citation Flow.
What Is Trust Flow?
Trust Flow (TF) is a backlink quality metric created by Majestic that measures the trustworthiness of a website based on the quality of sites linking to it. It is scored from 0 to 100, with higher values indicating links from more trusted sources.
The metric was built on the principle that trusted sites tend to link to other trusted sites — a propagation model similar to PageRank but seeded from a hand-curated list of trustworthy reference sites rather than computed purely from link counts.
How Trust Flow Is Calculated
Majestic seeds Trust Flow propagation from a curated set of known trustworthy hubs (universities, governments, established publications). The score for any URL or domain is then derived from the proximity — measured in link hops — to that trusted seed set, weighted by the trust of intermediate domains. A site that earns one link from a TF 70 university page will gain far more Trust Flow than a site that earns one hundred links from TF 10 blog comment pages.
Trust Flow Score Bands
| TF Range | Interpretation | Typical Use Case |
|---|---|---|
| 0-10 | Untrusted or new domain | Avoid as a link source |
| 11-25 | Below average | Acceptable only with strong topical relevance |
| 26-44 | Average to good | Solid mid-tier backlink target |
| 45-60 | High trust | Strong backlink target; competitive niches |
| 61-100 | Authoritative | Rare; usually .edu, .gov, top-tier news |
Trust Flow vs Domain Authority vs Domain Rating
Three different vendors, three different methodologies, three different scores. None of them is the official Google ranking signal — they are all third-party estimates of authority. Trust Flow stands out because it focuses on link quality rather than link quantity:
| Metric | Vendor | Focus |
|---|---|---|
| Trust Flow | Majestic | Quality propagation from trusted seeds |
| Domain Authority | Moz | Composite predictor of ranking ability |
| Domain Rating | Ahrefs | Strength of referring domain backlink profile |
When Trust Flow Matters Most
- Vetting unknown link prospects. A TF under 10 on a domain with thousands of backlinks is a strong signal of a PBN or spam network.
- Comparing two similar prospects. When DR is close, the prospect with the higher TF is the safer pick.
- Pairing with Citation Flow. The TF/CF ratio is more informative than either metric alone (see Citation Flow entry).
Frequently Asked Questions
Is a higher Trust Flow always better?
In isolation, yes — higher TF means closer proximity to trusted seed sites. But TF should always be compared against Citation Flow and topical relevance. A TF 50 in a wildly off-topic niche helps less than a TF 30 in your exact vertical.
How often does Trust Flow update?
Majestic refreshes Trust Flow on a rolling basis as new crawl data is processed. Most domains see updates every 30 to 60 days, though large new link acquisitions can show up within a week.
Can Trust Flow be manipulated?
It is much harder to manipulate than pure link-count metrics, but private blog networks built around hijacked expired .edu subdomains can temporarily inflate TF. Always inspect the actual referring domains, not just the score.
What is Topical Trust Flow?
Topical Trust Flow is a variant that scores trust within specific topic categories (Health, Finance, Technology and so on). It is more useful than overall TF for niche-relevance work because it tells you whether the trust came from in-niche sources.
Does Google use Trust Flow as a ranking signal?
No. Trust Flow is a Majestic metric. Google has its own internal signals that are not publicly disclosed. Trust Flow is a useful proxy because it correlates with link quality — not because Google reads it.