By Andrew Linksmith, Head of Link Acquisition · Update:
High Quality Backlinks: The Six Criteria That Matter
A high quality backlink comes from a page that is topically relevant to yours, sits on a domain with genuine organic readership, appears inside editorial body copy, uses an anchor that describes rather than commands, and is itself indexed. Domain rating is the weakest of these signals because it is the only one that can be bought outright.
The six criteria, with the threshold for each
Topical relevance at article level — adjacent or closer
Publisher organic traffic — 500+ monthly visits minimum
Editorial context — link inside body copy, not boilerplate
Anchor quality — descriptive, not exact-match commercial
Indexation of the host page — verified, not assumed
Outbound commercial density — under 5 unrelated commercial links per article
What each format is worth before you apply these criteria is set out in the classification of backlink types. Every one of those is checkable in under a minute by someone with a backlink tool and a browser. None of them is domain rating. That is the argument of this page, and it sits underneath everything in the main link building guide.
The six criteria
1. Topical relevance, measured at article level
Relevance is assessed between the linking page and the linked page, not between the two domains. A general business publication that runs one piece on manufacturing logistics is not a manufacturing publisher, and a link from that piece to a manufacturing supplier is relevant even though the domain is not.
The inverse matters more. A link from a marketing blog to a mattress retailer is irrelevant regardless of the blog's authority, and irrelevance is the clearest signal that a link was purchased rather than given — because editorial writers do not link to unrelated businesses by accident.
Threshold: the linking article's subject is your field or directly adjacent to it
Where to check: open the article and read it. No tool required.
2. Real organic traffic to the publisher
Ahrefs has reported that fewer than one site in ten in its index receives any organic search traffic at all. That single figure reframes the whole exercise: a publisher with genuine readership is already in a small minority of the web, and verifying readership eliminates most of what circulates in the link market.
A domain rating can be inflated for around a hundred dollars by services sold openly on freelance platforms. An audience cannot be manufactured that cheaply. When the two disagree — strong rating, negligible traffic — the traffic is telling you the truth.
Threshold: 500+ monthly organic visits minimum; 2,000+ for placements you are paying a premium for
Where to check: any backlink or traffic tool, domain-level overview. For a niche edit, check the specific host URL rather than the domain.
3. Editorial context
A link inside a sentence written to introduce it carries editorial intent. The same URL in a footer, sidebar or template block carries a contract. Search engines weight the first far above the second, and sitewide links from unrelated domains read as purchases because nobody links from every page of their site to an unrelated business by chance.
Within body copy, position still matters: a link in the first third of an article sits inside the section most readers reach and most crawlers weight.
Threshold: in-content placement; ideally within the first third of the article
Where to check: view the live page. Ask your vendor which paragraph before commissioning.
4. Anchor quality
A good anchor describes the destination in the language a writer would naturally use. An exact-match commercial phrase dropped into a sentence reads as an instruction, and concentration of those phrases across a profile is the most detectable manipulation signal available.
The text surrounding the anchor matters nearly as much as the anchor itself. A well-chosen phrase inside an unrelated paragraph is worth less than a generic phrase inside a topically matched one.
Threshold: descriptive or branded; exact-match commercial anchors kept well below your competitors' median
Where to check: build the benchmark from competitor profiles.
5. Indexation of the host page
The most under-checked criterion on this list, and the cheapest to verify. A page that is not in the index cannot pass anything. Domain metrics say nothing about whether the specific URL carrying your link has been indexed — and on sites that publish large volumes of contributed content, plenty of pages never are.
Threshold: the host page returns for a quoted phrase search; verified at day 14 and day 30 after placement
Where to check: search a distinctive sentence from the article in quotation marks. Ten seconds.
6. Outbound commercial link density
Count links to unrelated commercial domains in the article carrying your placement, and across two other recent posts. A page carrying eleven commercial outbound links is not a publication serving readers — it is inventory, and whatever authority it has is being divided eleven ways.
This is also the most reliable network detector available to a buyer, because the economics of a network require heavy outbound density and that requirement cannot be concealed. See how to recognise a private blog network.
Threshold: fewer than 5 unrelated commercial outbound links per article
Where to check: open three recent articles and count. Two minutes.
Why Domain Rating is a misleading proxy
Publisher A — looks strong
| Publisher A — looks strong | Publisher B — looks weaker |
Domain Rating | 58 | 34 |
Monthly organic traffic | 40 visits | 11,400 visits |
Commercial outbound links per article | 9 | 1 |
Named authors | None | Four, with bylines |
Vendor price | $220 | $150 |
Almost every catalogue in this market prices Publisher A higher, and almost every buyer selecting on rating chooses it. Publisher B is the better link by every criterion that is not purchasable.
The mechanism behind Publisher A is not mysterious, and it is the reason the wider guide to how link building works puts publisher readership above every metric a tool can report. Rating inflation is a service — pointing large volumes of links at a domain to move a third-party score without producing any organic effect. It sells openly for around a hundred dollars, which means a market that prices primarily on rating is a market pricing on the output of that service.
The ten-second correction: put the rating and the organic traffic side by side. A wide gap in the direction of rating is the signal. Nothing else on this page is faster or catches more. Full mechanics in DA vs DR: what the two metrics measure.
Scoring a link before you buy it
The weightings are not arbitrary. Relevance and publisher traffic carry half the score between them because they are the two criteria that cannot be faked cheaply. Indexation is worth twelve points on its own because an unindexed link scores zero on everything else in practice, whatever the other columns say.
Where high quality links come from
Source | Average quality | Cost | Scalability |
Editorial citations of original research | Highest | Campaign cost, $4,000–$15,000 | Low — each campaign is bespoke |
Digital PR coverage | Very high | $2,000–$15,000/mo | Low to moderate |
Trade and industry publications | High | $150–$475 per placement | Limited by publisher count in your niche |
Free tools and calculators | High, accumulating | One-off build, $3,000–$20,000 | Very high once live |
Association and certification registers | Moderate–high, very durable | Membership cost | Fixed — you qualify or you don't |
Vetted marketplaces | Variable — depends on your own checks | $50–$475 | High |
The first four cost time or production budget rather than placement fees, and they are where the genuinely high-quality links live. Production guidance is in linkable assets and pitching in digital PR link building; for purchased placements, vendor selection is covered in the provider comparison.
What quality costs
DR 10–19 — $103 per 1,000 organic visits to the host page
DR 20–39 — $37
DR 40–59 — $18 — efficient band
DR 60–74 — $8 — efficient band
DR 75–89 — $6
DR 90+ — $9 — scarcity pricing takes over
The figure in each row is cost per thousand organic visits to the host page — a measure of efficiency rather than price. Lower is better value per unit of audience reached.
Quality does not price linearly. Efficiency improves steeply up to the DR 40–74 band, flattens, then reverses above DR 90 where you are paying for scarcity rather than measurable authority transfer. There are sound reasons to buy at the top — brand credibility, a page you want cited in coverage — but efficiency is not among them.
Practical rule: buy the DR 40–74 band for the bulk of your programme, reserve DR 75+ for pages you are genuinely trying to win a competitive term with, and treat anything under DR 20 as filler that has to justify itself on traffic alone. Full breakdown by format in the price index.
Andrew Linksmith sells link placements and applies the thresholds published here to its own inventory. Organic traffic distribution figures: Ahrefs. Cost-per-visit calculations derive from the price index on this site, compiled from twelve US providers, July–August 2026. Google's guidance on link schemes is published in its spam policies.