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.
All 21 Guides in This Hub
21 live, 0 on the way.
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
Read article → Domain Authority / Metrics 02Domain 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
Read article → Domain Authority / Metrics 03How 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.
Read article → Domain Authority / Metrics 04What 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.
Read article → Domain Authority / Metrics 05Domain 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.
Read article → Domain Authority / Metrics 06How 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.
Read article → Domain Authority / Metrics 07What 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.
Read article → Domain Authority / Metrics 08How 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
Read article → Domain Authority / Metrics 09Is 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
Read article → Domain Authority / Metrics 10Domain 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.
Read article → Domain Authority / Metrics 11Domain 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.
Read article → Domain Authority / Metrics 12Average 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.
Read article → Domain Authority / Metrics 13Domain 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.
Read article → Domain Authority / Metrics 14Trust 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.
Read article → Domain Authority / Metrics 15Domain 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.
Read article → Domain Authority / Metrics 16Trust 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.
Read article → Domain Authority / Metrics 17Trust 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.
Read article → Domain Authority / Metrics 18Moz 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.
Read article → Domain Authority / Metrics 19Domain 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.
Read article → Domain Authority / Metrics 20The 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.
Read article → Domain Authority / Metrics 21How 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
Read article →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.
