The SEO Practitioner Guide to Domain Authority & Metrics

Practitioner-grade guides across 21 topics in the Domain Authority / Metrics hub. 21 of 21 live; 0 on the way. Each guide is researched against the live search results and written for SEO professionals and aged-domain buyers.

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All 21 Guides in This Hub

21 live, 0 on the way.

Domain Authority / Metrics 01

Domain Authority vs Domain Rating: How Moz and Ahrefs calculate link-graph metrics differently

Domain Authority (Moz, 2012) and Domain Rating (Ahrefs, 2014) compared: methodology differences, calculation factors, scoring scales, index refresh cadences, and how aged-domain marketplaces use both

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Domain Authority / Metrics 02

Domain Rating: Ahrefs link-graph metric explained, calculation methodology, and how aged-domain buyers use it

Domain Rating (Ahrefs, 2014) explained: recursive link-graph methodology, 0-100 logarithmic scale, 4 calculation inputs, near-real-time refresh, Domain Rating vs Domain Authority comparison, and how a

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Domain Authority / Metrics 03

How to increase Domain Rating on Ahrefs: 12 link-acquisition tactics, calculation mechanics, and aged-domain shortcut

12 link-acquisition tactics to increase Domain Rating on Ahrefs across 3 tiers (DR 10-30, 30-50, 50-70), 5 anti-patterns to avoid, audit checklist, and the aged-domain shortcut.

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Domain Authority / Metrics 04

What is a good Domain Rating: Scoring tiers, niche benchmarks, and aged-domain targets for SEO buyers

What is a good Domain Rating: 5 tier brackets with referring-domain counts, niche-relative benchmarks across 6 industry verticals, SERP competitor comparison framework, and aged-domain DR targets.

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Domain Authority / Metrics 05

Domain Authority: The Moz link-graph metric explained, calculation methodology, and how aged-domain buyers read it

Domain Authority (Moz, 2012) explained: machine-learning model with 6 factor categories, Spam Score adjustment, DA 2.0 retraining, comparison with Domain Rating, and use cases for aged-domain buyers.

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Domain Authority / Metrics 06

How to increase Domain Authority: 12 link-acquisition tactics by tier, anti-patterns, and the aged-domain shortcut

12 link-acquisition tactics to increase Domain Authority on Moz across 3 tiers, 5 anti-patterns mapped to Spam Score flags, audit checklist, and the aged-domain acquisition shortcut.

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Domain Authority / Metrics 07

What is a good Domain Authority score: Tier brackets, niche benchmarks, and how to read DA at the marketplace

5 Domain Authority tier brackets (DA 0-100), niche-relative benchmarks across 6 industry verticals, SERP competitor comparison framework, and aged-domain DA targets for SEO buyers.

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Domain Authority / Metrics 08

How is Domain Authority calculated: The 6 Moz algorithm inputs, machine-learning model, and DA 2.0 retraining cadence

The 6 Moz algorithm inputs that calculate Domain Authority (linking root domains, MozRank, MozTrust, Spam Score, anchor distribution, total backlinks), the machine-learning model, and the DA 2.0 retra

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Domain Authority / Metrics 09

Is Domain Authority a ranking factor? The limitations that make practitioners cross-check it with Domain Rating, Trust Flow, and Citation Flow

Is Domain Authority a ranking factor? No. It is a third-party Moz proxy with 6 mechanical limitations (refresh lag, model drift, manipulability, proxy status, domain aggregation, relativity), which is

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Domain Authority / Metrics 10

Domain Authority correlation with Google rankings: What the studies show and what they do not

Domain Authority correlates with rankings because both reflect the same link graph. It predicts probability, not position. Correlation is not causation.

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Domain Authority / Metrics 11

Domain authority checker for new sites: A realistic 0-to-30 trajectory in 6 months

A new site reaches Domain Authority 30 in roughly 6 months at about 300 linking root domains. The 3-phase trajectory, milestones, and aged-domain shortcut.

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Domain Authority / Metrics 12

Average Domain Authority by industry: Benchmark scores across 7 niches

Average Domain Authority by industry: top-10 SERP benchmarks across 7 niches, from finance 70-90 to niche content 25-50, plus the DA-below-DR offset.

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Domain Authority / Metrics 13

Domain Authority for expired-domain evaluation: How buyers screen DA before acquisition

How buyers read Domain Authority on an expired domain: decay vs the Mozscape lag, historical vs current DA, the Spam Score cross-check, and the red-flag test.

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Domain Authority / Metrics 14

Trust Flow and Citation Flow: The Majestic domain link-quality metrics explained

Trust Flow and Citation Flow are Majestic metrics scoring link quality and volume 0-100. The TF:CF ratio is the spam signal aged-domain buyers read first.

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Domain Authority / Metrics 15

Domain Spam Score: What triggers it and what the Moz signal predicts

Domain Spam Score is a Moz 0-100% risk proxy: what its flags predict, the risk tiers, and how it adjusts Domain Authority. Not a Google penalty.

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Domain Authority / Metrics 16

Trust Flow: how the TF:CF ratio exposes domain link spam

The TF:CF ratio divides Trust Flow by Citation Flow. A ratio near or above 0.5 is healthy; below 0.5 exposes link spam. The aged-domain red flag explained.

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Domain Authority / Metrics 17

Trust Flow: Reading the Majestic metric on expired-domain inventory

Trust Flow filters expired-domain inventory by link quality. Read decay, Topical Trust Flow, the TF:CF ratio, and Spam Score cross-validation before acquisition.

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Domain Authority / Metrics 18

Moz Spam Score for aged-domain buyers: Reading the risk signal before acquisition

Read the Moz Spam Score as an aged-domain buyer gate: 1-30% pass, 31-60% review, 61-100% reject or audit. Deal-breaker vs fixable, cross-checked.

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Domain Authority / Metrics 19

Domain authority checker decisions: which metric for which acquisition

A domain authority checker returns one score, but DA, DR, the TF:CF ratio, and Authority Score each lead a different acquisition decision. The 4-metric matrix.

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Domain Authority / Metrics 20

The Domain Buyer Metric Checklist: Which Numbers Matter Before You Pay

The DA, DR, Trust Flow, Citation Flow, referring-domain, spam-score, and traffic benchmark thresholds that decide an aged or expired domain purchase, plus a per-decision weighting matrix.

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Domain Authority / Metrics 21

How to Spot a Faked or Manipulated DA or DR Before You Buy a Domain

Redirect-inflated DR, the Trust Flow to Citation Flow spam ratio, score-versus-traffic mismatches, and backlink-age red flags that reveal hollow, manipulated authority before you buy an aged or expire

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Multi-metric screened catalogue for aged-domain acquisition

SEO Domains operates the curated marketplace with a 220,000+ pre-screened catalogue from $100 entry-level domains through $1.5 million premium acquisitions. Every listing shows Domain Authority, Domain Rating, Trust Flow, Citation Flow, and the catalogue’s 7-vector inheritance screen status. ICANN-accredited transfer applies to every acquisition.

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