Link Building that Works & the Rented Kind that Doesn’t

Check your inbox.

Somewhere in the last fortnight there’s an email that opens with “I really enjoyed your recent article,” from someone who has never read it. It offers a “high authority guest post opportunity,” from a site with no authority to offer.

Link building has a reputation problem. And most of what’s sold under the name has earned it.

Here’s the version worth your time: links are still one of the strongest trust signals Google has, which is exactly why the shortcuts are policed so hard. Real link building isn’t buying placement. It’s building things worth citing and relationships worth having, then making both easy to find. This guide covers why links still move rankings, how to spot the rented kind, and what earning them looks like at a small-business scale.

Why links still move rankings

Google was built on a simple idea.

A link is a citation. And things cited often by credible sources are probably credible themselves. The machinery has grown far more sophisticated since, but the idea never retired. Sites that earn references from relevant, trusted places outrank sites that don’t, all else being equal.

The corollary is the part the link sellers skip. Because links carry so much weight, Google’s spam policies treat manipulating them as a first-order offence. Bought links, link networks and exchange schemes are named explicitly.

So the product being sold to you in those outreach emails is listed, by name, in the rulebook of the company you’re trying to impress.

The rented-link taxonomy

The link market sells one product, placement without endorsement, wearing five different outfits:

The common thread: every one of these can be bought by your worst competitor tomorrow. Which means none of them can be a moat.

Anything purchasable at scale is, by definition, not a trust signal. And distinguishing trust from purchase is Google’s entire job.

Earned versus rented

The strategic difference is what happens over time.

Rented links depreciate. Networks get discovered, farm sites decay, and the budget has to keep flowing just to stand still.

Earned links compound. A genuinely useful page picks up citations for years without another hour of outreach. And every new reference makes the next one more likely, because rankings themselves attract links.

Free tools are the cleanest example of the species. A calculator that solves a real problem, like a breakeven calculator or a free colour palette generator, gets referenced by people writing about the topic, because citing it is easier than rebuilding it. The asset does the outreach for you.

And that logic scales all the way down to a single well-researched local page. Be the thing writers reference, not the person asking for references.

What earning looks like in practice

For a small business, the honest playbook is short.

Build one genuinely citable asset in your lane: a tool, original local data, or the definitive answer to a question your industry argues about.

Reclaim what you’ve already earned. Mentions of your business without links convert to links with one polite email, and that’s the only outreach with a genuinely good hit rate.

Say yes to expert commentary. Journalists and industry newsletters constantly need a practitioner quote, and each one is a citation from a real publication.

Then work the relationships you already have: suppliers, partners, associations, the local layer that the small business SEO playbook covers in detail. Links from people who actually know you are the ones no competitor can replicate.

Notice what’s absent: volume.

Nothing on that list produces fifty links a month. And nothing needs to. A handful of relevant, real citations a year, pointed at pages worth citing, outworks a spreadsheet of rentals. It’s also the only version that survives every algorithm update, because it’s the exact behaviour the algorithm exists to find.

From the studio
My favourite hobby is checking the websites of people who email me selling “high authority links.” The pattern never breaks: the ones selling authority don’t have any. If their method worked, they’d be ranking for something other than the phrase “buy backlinks cheap.”

Start with the links you already have

Before building anything, look at what’s already pointing at you. It’s free, and it’s frequently a surprise.

Search Console lists every link Google associates with your site under Links. No tools budget required. Then run three checks.

First, are your most-linked pages the ones you actually need to rank? Or is all your trust pooled on a blog post from 2019 while your money pages sit unreferenced? Internal linking can redistribute that, which is half of what entity SEO is really about.

Second, does your anchor text read like language, or like a keyword-stuffing exercise? A profile where every link says the exact commercial phrase you want to rank for looks engineered. Because it was.

Third, did a previous provider leave rentals behind?

That last discovery is where cleanups begin. And it’s worth professional eyes before touching Google’s disavow tool, which does real damage pointed at the wrong links. Most sites never need it. The ones that do usually know exactly which invoice to blame. If that’s the situation you’ve inherited, it’s a fix we scope as part of SEO work rather than a DIY weekend.

How many links you actually need

Fewer than the industry implies. Aimed better than the industry bothers to.

The question isn’t your total. It’s whether the pages you need to rank have more relevant trust pointing at them than the competing page does.

For a local service business, that’s often a modest, achievable number. For a national head term, it’s why serious SEO costs what it costs. Relevance does the heavy lifting either way: one link from your industry’s publication beats a page of placements from nowhere in particular.

Link building FAQs

Do backlinks still matter for SEO?

Yes. Links remain one of Google’s strongest trust signals, which is precisely why manipulating them is policed as a first-order offence. What’s changed is the bar: relevant citations from real sites count more than ever, and bulk placements count for less than the invoice suggests.

Should I buy backlinks?

No. Bought links are named explicitly in Google’s spam policies, they depreciate as networks get discovered, and anything you can buy your competitor can buy tomorrow. The realistic outcomes are wasted budget or a cleanup job, and the cleanup costs more than the links did.

How many backlinks do I need to rank?

Enough relevant trust to outweigh the specific pages you’re competing against, which for local and niche searches is often a modest number. Totals are the wrong metric: one citation from a genuinely relevant publication routinely outworks dozens of generic placements.

What makes a good backlink?

Three things: the linking site is real, with actual readers; the topic is relevant to yours; and the link exists because someone chose to reference you. Editorial choice is the ingredient money can’t add, and it’s the one Google is engineered to detect.