Link ranking factors
Link ranking factors are characteristics of inbound links that Google uses to determine site positions: donor authority, anchor text, topical relevance, and profile diversity.
Link ranking factors are the set of characteristics of external links (donor PageRank, anchor text, topical relevance, page type, nofollow/dofollow, link age) that influence the acceptor site's positions in search results.
What are link ranking factors
Link ranking factors are characteristics of inbound links that search algorithms use to evaluate the authority of a page and site. Since PageRank was introduced, links have remained one of Google's primary signals.
Modern algorithms consider not just the quantity of links but dozens of their characteristics: donor authority, topical relevance, link position on the page, profile diversity, age, and acquisition rate. Manipulating individual factors without considering the overall profile leads to filters.
Key link ranking factors
- Donor authority
- PageRank, DR (Ahrefs), DA (Moz) of the donor page. A link from an authoritative resource passes more link equity.
- Topical relevance
- The donor's topic should match or overlap with the acceptor's topic. A link from a niche-relevant site is more valuable than one from an unrelated resource.
- Position on page
- Links in the main content (editorial links) are significantly more valuable than links in footers, sidebars, or widgets.
- nofollow / dofollow
- Links without a rel=nofollow attribute pass link equity. nofollow is a hint to Google, not a hard rule.
- Donor uniqueness
- Links from new unique domains are more valuable than additional links from a domain that already links to you.
- Link age
- Older, stable links pass more authority than new ones — this indirectly reflects a natural link profile.
Anchor factor
Anchor text is one of the most important link factors. Google uses it to understand the topic of the acceptor page. However, an excess of links with exact-match keyword anchors (exact match anchor) is one of the main Penguin filter triggers.
| Anchor type | Share in profile | Risk |
|---|---|---|
| Branded (company name) | 30–50% | Minimal |
| URL anchor (naked URL) | 20–30% | Minimal |
| Generic ('here', 'learn more') | 10–20% | Minimal |
| Partial keyword match | 5–15% | Low |
| Exact keyword match | 1–5% | High if overused |
Quality vs. quantity
A single high-quality backlink from an authoritative niche resource can deliver more impact than a hundred links from directories or link farms. Google's algorithms have become significantly better at determining the 'value' of a specific link within the context of the entire profile.
How to improve link ranking factors
- Earn links from topically relevant, authoritative resources
- Diversify your anchor profile: branded, URL, generic, topical
- Aim for link placement in main content rather than footers
- Build links from new unique domains, not repeatedly from the same ones
- Monitor acquisition rate (link velocity) — steady growth looks natural
- Use the Disavow tool to reject toxic links
Common questions
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