TrustRank
An algorithm designed to distinguish trustworthy websites from spam by analyzing links from manually verified trusted sites.
💡 Think of it like this: Think of the internet as a city. TrustRank is like the number of reputable newspapers that mention your shop — the more credible mentions, the more trusted your business appears.
How TrustRank Works
TrustRank is a link analysis algorithm developed by researchers at Stanford University and Yahoo! to help search engines combat web spam. The algorithm works by starting with a small set of manually verified, highly trustworthy seed websites and then measuring how far removed other sites are from those trusted sources through their link graph. Sites that are closely linked to trusted seed sites receive higher TrustRank scores, indicating they are more likely to be legitimate and authoritative.
Why TrustRank Matters for SEO
The core insight behind TrustRank is that spam sites rarely receive links from genuinely trusted websites. By propagating trust outward from verified seed sites — such as major universities, government portals, and established media organizations — TrustRank helps identify sites that are likely spam based on their distance from trustworthy sources. TrustRank influenced Google’s own trust-based algorithms and contributed to the evolution of PageRank into a more quality-focused system. If you’re unsure how TrustRank is impacting your site, working with an experienced SEO consultant can help you identify the problem and fix it efficiently.
Common TrustRank Mistakes
Although TrustRank is not a metric directly accessible to SEOs, its principles underpin many modern authority metrics like Majestic’s Trust Flow. Building links from authoritative, trusted domains remains one of the most effective ways to signal trustworthiness to search engine algorithms today.
Do’s and Don’ts: TrustRank
Related SEO Terms
TL;DR: An algorithm designed to distinguish trustworthy websites from spam by analyzing links from manually verified…
If you remember one thing — focus on how TrustRank affects your users first, then optimise for search engines second.
