How to Build Backlinks: A Practical Guide

What a backlink is, and why it matters

A backlink is a link from another website to a page on your site. Search engines treat links as votes of confidence from relevant, trusted sites.

Not all backlinks are equal. One link from a respected publication in your field is worth more than dozens of links from low-quality directories, link farms or sites that exist only to sell links. Relevance matters too: a link from a marketing blog to a marketing tool makes sense, while a link from an unrelated site does not.

The rule first: what Google says about buying links

Google's spam policies define link spam as creating links to or from a site primarily for the purpose of manipulating search rankings. Buying or selling links for ranking purposes is listed as an example, and it includes exchanging money for links or posts that contain links, exchanging goods or services for links, and sending someone a product in exchange for them writing about it and including a link. Excessive link exchanges, automated programs that create links, and advertorials whose links pass ranking credit are also listed.

Google does understand that buying and selling links is a normal part of the web for advertising and sponsorship. Such links are not a violation as long as they are qualified with a rel="nofollow" or rel="sponsored" attribute on the link, so they do not pass ranking credit. A bought link without one of those values is link spam by Google's own definition, whatever the seller calls it.

Sites that violate the policy may rank lower or not appear in search results at all, and Google says it detects violations through automated systems and, as needed, human review that can result in a manual action. The practical consequence is that paid links can lose their ranking credit entirely, which means you paid for nothing, or worse, you paid for a penalty that takes months to clean up. This guide covers only methods that earn links without paying for ranking credit.

Step 1: Make a page worth linking to

No outreach works without a page that deserves a link. Before you contact anyone, ask whether a stranger would link to this page from their own site, and why. If the answer is no, fix the page first.

Pages that earn links share three traits. They say something specific, they show their work, and they are easy to cite. A page that defines a term, explains a process step by step, or presents original data is linkable. A page that repeats what ten other pages already say is not.

Practical ways to make a page linkable:

1. Publish original data. A survey of 100 customers, an analysis of your own product data, or a small study with a clear method gives other writers a reason to cite you. Original numbers are the most linked-to content on the web, because every writer needs a source.
2. Build a free tool or template. A calculator, a checklist, a template or a small utility that solves one problem earns links from people who recommend it to their readers. The tool does not need to be large; it needs to work.

Step 2: Find who already links to similar pages

You do not need to guess who might link to you. Look at who already links to pages like yours, because those sites have shown they link out on this topic.

Open a backlink tool and enter the URL of a competing page that ranks for your target keyword. Ahrefs Lite costs $129 a month and shows the sites linking to any page, including competitors. Ahrefs Free gives verified site owners limited backlink data on their own site, including 1,000 backlinks visible at once. Google Search Console is free and lists the sites that link to your site, though not to competitors.

Make a list of 20 to 30 sites that link to two or more competing pages, and that are relevant to your topic. Ignore directories, link farms and sites with no real audience.

Step 3: Outreach that gets a reply

Outreach is a short, specific email to one person, not a mass blast. A good outreach email has four sentences: who you are, what you found on their site, what you made that fits, and what you are asking for. Keep it under 120 words.

A template you can adapt:

Hi [Name], your guide to [topic] links to [existing page] in the section on [section]. The guide at [your page] adds [one specific thing: original data, a free template, a worked example]. Would it work as an additional link in that section? A short summary is available on request.

Do not offer money, do not offer a link exchange, and do not follow up more than once. A single polite follow-up after five working days is reasonable. A third email is not. Track replies, not sends: 20 thoughtful emails that earn 3 links beat 200 generic emails that earn none.

For a deeper look at outreach, see link building outreach and the guest posting email template.

Method 1: Digital PR

Digital PR is earning links by giving journalists and bloggers a story worth covering. It works best when you have something new: original research, a surprising finding, a free tool, or a clear opinion backed by data.

Start with the story, not the link. A survey result, a trend in your own data, or a contrarian take on a common claim is a story. A product announcement is not, unless the product itself is newsworthy. Write a short press release or a one-page summary with the key finding in the first paragraph, a quote from a real person, and a link to the full data or page.

Send it to journalists who cover your topic, not to a general news desk. Read their last three articles first, and explain in one sentence why this story fits their beat. A journalist who writes about small business marketing will not cover an enterprise security study, however good it is.

Method 2: Broken-link building

Broken-link building is the most reliable method for a small team, because you solve a problem the site owner already has. A site with a dead link looks neglected, and the owner usually wants to fix it.

Find broken links on relevant sites by running a backlink tool or a link checker over a resource page in your niche, and note the dead links. Then check whether you have a page that replaces the dead one, or whether you can create one. If you do not have a replacement, do not send the email: a broken-link report with no fix is just a complaint.

Method 3: Helpful guest contributions

Guest posting earns links when the post is genuinely useful and the site is real. It fails when the post is thin, the site exists only to sell links, or the link is the point of the post rather than a byproduct of a useful article.

Choose sites you would be proud to appear on, and read their guidelines before you pitch. Pitch a specific title and a one-paragraph outline, not a generic offer to write. Write the post yourself, or have someone on your team write it, and include a link only where it helps the reader, usually to a relevant guide or tool on your site. One relevant link in a useful post is normal. Five links to your own pages is not.

A worked example: one page, 30 days

Take a SaaS company with a guide to onboarding new users. The guide is good, but it has no backlinks and ranks on page three for its target keyword.

Week 1: The team adds original data to the guide — onboarding completion rates from 200 customers, with a clear method — and a free onboarding checklist template. The page is now linkable.

Week 2: The team opens Ahrefs and finds 24 sites linking to two competing onboarding guides. They shortlist 15 relevant sites, find the author of each, and note what their guide adds that the competitors lack.

Week 3: They send 15 outreach emails, each under 120 words, each naming the specific page and section. They also check three resource pages for broken links and find one dead link their guide can replace.

Week 4: Three sites reply. Two add a link to the guide, and one fixes a broken link with the guide as the replacement.

The result is 3 earned links in a month, from relevant sites, with no money paid for ranking credit. That pace — 2 to 5 links a month — is realistic for a small team, and it compounds. After six months, the guide has 15 to 20 referring domains, and it is competing on page one.

Common mistakes with backlinks

• Buying links. Paid links for ranking purposes are link spam under Google's spam policies, and they can lose their credit or trigger a manual action. If you pay for a placement, insist on rel="sponsored" and do not count it as an SEO link.
• Chasing volume. A hundred links from directories and low-quality sites do not beat five links from relevant, respected sites. Check the linking site before you celebrate the link.
• Linking to a weak page. Outreach to a thin page wastes everyone's time. Fix the page first, then ask for the link.
• Using the same anchor text everywhere. Natural links use varied anchor text: the brand name, the page title, a generic phrase, or the URL itself. A hundred links with the same keyword-rich anchor text looks manipulated.

How to check your own backlinks

Google Search Console is free and shows the sites that link to you, your most linked pages, and the anchor text they use. Check it monthly, and look for three things: new links from relevant sites, links from sites you do not recognise, and a sudden drop in links, which can mean a linking site removed a page or went offline. Ahrefs and Moz Pro both offer backlink checkers with more detail, including the authority of linking domains and the links your competitors have that you do not.

For checking tools, see the best backlink checking tool and the best backlink analysis software. For the wider SEO workflow, see how to monitor website traffic and Adziq's SEO service.

Common questions

Sources

• Google Search Central — Spam Policies for Google Web Search
• Ahrefs — How to Choose the Right Ahrefs Plan in 2026
• Google Search Console — homepage
• Moz — Moz Pro pricing

Adziq sells marketing services and does not accept payment for placement in its articles. See our editorial policy.