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Few topics in SEO attract as much debate as link building. Some marketers consider it the only ranking factor that still warrants attention, while others believe AI search has rendered the discipline obsolete, when the reality sits between those positions.
AI Overviews now resolve queries before users click through, and ChatGPT, Perplexity and Claude cite their sources directly. Reddit threads outrank brand domains across a significant share of commercial queries. Asking whether backlinks still belong on a 2026 strategy is reasonable, but the short answer remains yes, with the qualification that link type and intent now carry more weight than volume.
What is backlink building?
Backlink building is the practice of acquiring hyperlinks from other websites that point to your own, and two routes lead to this outcome. Links are earned when content proves useful enough that another publisher cites it without prompting, and links are built through active outreach, partnerships, guest contributions and digital PR campaigns. Established sites typically draw on both routes. You can read more about commodity content here.
Links come in two technical formats, with a dofollow link passing authority, often called link equity, from one site to another, while a nofollow link does not pass that authority directly, though Google now treats nofollow as a hint rather than a strict instruction. Both formats retain value, since nofollow links from major publications continue to drive traffic, brand awareness and the citation signals that LLMs rely on. Internal links assist site structure, but only external backlinks function as third-party endorsements.
Why backlink building matters for SEO
Backlinks retain their position as a core ranking signal. Google representatives continue to confirm this on the record, and correlation studies consistently show that ranking pages carry stronger backlink profiles than the pages beneath them.
The current role of backlinks in SEO breaks down as follows:
- Primary ranking signal. Links remain one of Google’s most consistent quality indicators. Content without competitive link equity rarely reaches the top three positions for commercial queries.
- Authority transfer. Whether measured as PageRank, Domain Rating or Authority Score, the principle is unchanged. Trusted sites transfer trust to the sites they reference.
- Referral traffic. A link placed on a high-traffic article continues sending visitors for years, independent of organic ranking shifts.
- Faster indexing. New pages get discovered faster when crawlers reach them through links on already-indexed pages.
- Audience exposure. Visibility on relevant publications builds recognition that compounds across other marketing channels.
The weighting has shifted lately, with quality overtaking quantity by a margin most underestimate, so a single editorial link from a relevant publication outperforms hundreds of low-effort placements. Google’s spam systems now devalue manipulative links rather than penalising sites outright, meaning poor links increasingly produce no effect at all. AI search has not dismantled this dynamic so much as reshaped how the signals get interpreted.
Do backlinks still matter in the age of AI search?
Most agencies answer this question poorly because the honest version requires examining how AI search systems source their content. We have a guide on how to adjust your content to product-led growth too. Google’s AI Overviews pull from ranked organic results, and those rankings still depend heavily on backlinks. Studies tracking AI Overview citations consistently find that summarised pages sit within the top ten organic positions. A link profile that keeps a site off page one renders it invisible to the AI summary as well.
LLMs operate on a related principle, citing sources that other authoritative sites link to, that get mentioned across the wider web, and that have established a clear entity footprint. ChatGPT, Perplexity, Claude and similar tools rely on this signal mix, and backlinks contribute directly to the authority indicators these systems depend on.
As search shifts from blue links toward AI-summarised answers, being cited matters as much as being ranked. Citation behaviour correlates strongly with link equity and brand mentions, so brands that appear in AI answers almost always have strong link profiles already in place.
The shift carries a corresponding penalty for poor practice. Low-quality, manipulative and PBN-style links are now devalued more easily than at any previous point. Google’s spam systems have improved sharply, and LLM trust scoring layers a second filter on top. Backlinks have not lost relevance, but they now function as a quality filter rather than a volume play.
Top backlink building strategies
No single tactic builds a strong backlink profile on its own. Resilient link equity comes from combining several of the following approaches and allowing them to compound. The strategies below are ordered by sustainable impact, with linkable assets and digital PR taking precedence over the supporting tactics that close the list.
Create linkable assets
A linkable asset is content that other publishers will reference without prompting. Original research occupies the strongest position in this category, including proprietary survey data, internal benchmark studies, and year-on-year industry analysis. Statistics roundups, free templates, frameworks, in-depth guides and calculators also qualify when they solve a problem better than existing alternatives.
The assets that consistently earn links share four characteristics. Original data or perspective sits at the foundation, paired with evergreen relevance, scannable structure, and a format easy enough to cite in a single sentence. A journalist needs to extract a statistic, screenshot or quote and credit the source without summarising the entire piece.
Examples include Backlinko’s ranking factor studies, HubSpot’s State of Marketing reports, and the SaaS benchmark data from Paddle and ChartMogul. In smaller niches, a focused industry survey of two hundred respondents often becomes the citation competitors rely on for years.
Build free tools
Free tools accumulate backlinks over long periods. Once a calculator, generator or checker becomes the default option for a specific job, it earns citations every time someone covers the topic.
The reliable categories are narrower than expected. ROI and pricing calculators earn links from comparison content, free planners and templates appear in how-to guides, and simple checkers such as accessibility checkers, SERP previewers and schema validators get cited in technical tutorials. Prompt libraries have emerged as a newer category that scales well for AI-adjacent brands.
The trade-off is upfront development time and ongoing maintenance, which is why most brands skip the strategy entirely. AI has reduced the build cost significantly, making the approach newly viable for smaller teams.
Guest blogging
Guest blogging functions as a relationship-driven tactic and fails as a spammy outreach play. The difference appears in the publications targeted, the topics proposed, and the contribution depth delivered.
A credible pitch identifies publications the target audience reads, proposes a topic the publication has not already covered repeatedly, and delivers content the editor would have commissioned independently. The backlink is incidental rather than the purpose of the piece. Editors at established publications recognise link-bait pitches from the subject line and discard them.
Legitimate opportunities share several traits, with real editorial standards becoming visible through actual draft edits, traffic supporting the publication, and the audience overlapping with the writer’s market. Sites demanding fees, displaying template structures, or offering placements on partner networks fall outside this category.
Google’s position on guest posting purely for link acquisition has remained consistent for over a decade. The approach violates guidelines when the post exists solely to drop a backlink.
Broken link building
Broken link building involves locating a dead outbound link on a relevant page, identifying or creating equivalent content on the writer’s own site, and contacting the site owner to propose the replacement.
The tooling supports this at scale, with Ahrefs’ Broken Link Checker pulling broken outbound links from any domain, Check My Links operating as a Chrome extension for individual pages, and Screaming Frog handling bulk audits across thousands of URLs. Effective pitches stay brief, identifying the broken link and flagging the replacement available.
Reply rates run around one in ten. Some site owners remove the broken link without replacement, some have abandoned the page entirely, and some never respond. The tactic earns its place because it solves a problem for the recipient rather than requesting a favour, which improves response rates over cold outreach.
Digital PR and mentions
Digital PR has become the most effective modern link building tactic by a significant margin, because journalists link from publications carrying the authority required to shift rankings.
The execution involves building something newsworthy, whether proprietary data, expert commentary, original research or a creative campaign, and pitching it to journalists covering the relevant space. Platforms such as BrandPush, Qwoted and ResponseSource connect sources with reporters seeking quotes. LinkedIn has become a parallel channel for writers who source ideas from their feeds.
The distinction between earned links and earned brand mentions matters in this context. A linked citation passes authority, while an unlinked mention still feeds entity recognition, supports the brand signals AI models use, and frequently attracts attention from other journalists who do link. Mentions and links increasingly function as complementary signals.
Digital PR compounds well for committed brands but scales poorly for solo operators. The flywheel typically takes a year to build, with inbound pitches arriving in year two.
Link reclamation
Link reclamation offers among the strongest ROI on this list and receives the least discussion. The method involves locating existing unlinked mentions of a brand, product or content, then requesting that the mention become an actual link.
Google Alerts captures new mentions in real time, Ahrefs’ Content Explorer surfaces older mentions, and Mention.com handles continuous link monitoring across web and social channels. Alerts should cover the brand name, product names, founder name, and branded campaigns or research output.
A second category covers links lost through site migrations, page deletions or article rewrites that dropped their citations. Running a Site Explorer scan reveals backlinks pointing to 404 pages, which can be redirected or recovered through outreach. Response rates significantly exceed cold outreach because the relationship and mention already exist.
Social media sharing
Social media’s contribution to link building is widely misrepresented in both directions. Social links are typically nofollow and do not directly pass authority. Posts on LinkedIn or X will not improve rankings independently, regardless of reach.
Social distribution serves a different function, placing content in front of the people who do link. Journalists, bloggers, podcasters, newsletter writers and content creators source ideas from their feeds. LinkedIn has become unusually effective for B2B link earning, while Reddit and X operate in narrower communities where the right subreddit can drive content into the visibility that earns links from covering blogs.
Social functions as an amplification tactic for link-worthy content rather than a direct link source.
Local partnerships
Businesses with a geographic component find local partnerships among the easiest and most trusted link sources available. The category covers sponsoring local events, partnering with complementary local businesses, joining a chamber of commerce or industry association, and contributing to community causes.
These links carry weight because they cannot be manipulated at scale. A sponsorship of a real charity event leaves an audit trail, and a listing in a local directory anchors to a verifiable entity. For local SEO, this category does significant work, supporting both link equity and the citation consistency around name, address and phone number that local search rewards.
Skyscraper technique
The skyscraper technique, coined by Brian Dean over a decade ago, involves identifying a piece of content that holds substantial backlinks, building a superior version, and contacting the sites linking to the original to propose the replacement.
The technique has become considerably harder, with outreach inboxes receiving heavy volumes of skyscraper pitches and ‘significantly better’ now constituting a high bar in most established niches. A 1,500-word post extended to 4,000 words with stock graphics no longer qualifies.
The approach still works in niches with outdated top-ranking content, such as technical topics where 2019 articles remain in position, and in cases where proprietary research or genuine depth changes the resource’s quality. The pitch lands differently when the new version covers developments the original predated.
Forums and communities
Forums and communities such as Reddit, Quora, Stack Exchange, industry Slack and Discord groups, and niche forums earn links and mentions through indirect routes. Most platform links carry nofollow attributes, and search engines have become more capable of distinguishing genuine participation from self-promotion at scale.
Their reliable contribution is referral traffic to people running their own sites, which leads to earned links elsewhere. A thoughtful answer on Quora reaches the journalist researching the topic. Consistent contributions to a subreddit attract citations from niche bloggers in that space.
This only works with genuine participation, because spammy self-promotion gets flagged by moderators, downvoted by the community, and filtered by search engines.
Tips for successful backlink building
The strategies above describe the available tactics. The principles below describe how to apply them sustainably. These habits distinguish link building campaigns that compound over years from those producing a temporary increase before plateauing.
Focus on quality over quantity
A small number of links from authoritative, topically relevant sites outperforms a much larger volume of low-DR off-topic placements. This reflects how Google’s algorithm currently weights link signals.
The relevant metrics extend beyond Domain Rating and Authority Score. Topical relevance carries comparable weight, since a link from a 50-DR site within the same niche typically passes more value than a 75-DR link from an unrelated industry. The linking page’s own traffic matters, because links on unvisited pages send weaker signals than links on actively read pages. Editorial placement inside the body of a written article carries far more weight than footer links, sidebar widgets or generic directory listings.
Current Google guidance devalues low-quality links rather than imposing direct penalties, which means poor links increasingly produce no effect at all.
Build relationships
Link building functions as a relationship business that presents itself as transactional. The teams earning high-quality links consistently are not those with refined outreach templates, but those who have built genuine relationships across their industry.
Practical relationship building is unglamorous work, involving the following of journalists and editors covering the relevant space for months before pitching anything, engaging with their output, contributing useful comments, sharing pieces with thoughtful context, and showing up in communities consistently rather than dropping in to extract value.
The strongest backlinks come from people who already know the source. A pitch from a recognised contributor moves to the top of a journalist’s inbox, while a pitch from a stranger competes with dozens of similar messages.
Make content shareable
Shareability has evolved beyond social retweets, with the current definition covering content that gets cited across multiple channels.
Cited content typically carries a clear original perspective rather than rehashing existing material. Structure matters significantly, so scannable formatting with clear headings, short paragraphs and embedded visuals outperforms dense walls of text. Mobile readability is now standard, since most discovery occurs on mobile devices, and quotable framings or statistics that fit cleanly into other writers’ work increase citation frequency.
A newer dimension is citability by LLMs. Content structured with clear headings, named concepts and self-contained sections appears in AI answers more frequently, because ChatGPT and Perplexity extract content that can be cleanly isolated. Writing for both human readers and language model retrieval has become essential.
Frequently Asked Questions
How long does it take for backlinks to impact rankings?
Most backlinks influence rankings between several weeks and a few months out, depending on crawl frequency and existing authority. New domains see slower effects than established sites with topical authority, which often see movement within weeks. Full campaign impact typically materialises across six to twelve months as links compound.
Are paid backlinks worth it?
Paid backlinks violate Google’s guidelines and risk devaluation or manual action. Paid placements marked as sponsored or nofollow are the exception but do not pass authority. Most paid link services place content on low-quality networks that produce minimal benefit, making the investment poor relative to digital PR.
How many backlinks do I need to rank?
There is no universal number that applies to every site. Competitive queries can require hundreds of strong referring domains, while long-tail keywords often rank with a small handful. Examining the link profiles of top-three pages for the target query through Ahrefs or Semrush provides a realistic baseline, since quality and relevance outweigh raw count by a significant margin.
What’s the difference between dofollow and nofollow links?
Dofollow links pass authority from the linking site to the destination, directly affecting rankings. Nofollow links carry a tag instructing search engines not to pass authority, although Google now treats nofollow as a hint rather than a strict rule. Nofollow links still drive referral traffic, brand awareness and citation signals.
Can backlinks hurt my SEO?
Low-quality and manipulative backlinks are now typically devalued rather than penalised, which means they produce no effect rather than active harm. Genuine link-based penalties are rare and reserved for sites with overtly manipulative patterns. Google’s disavow tool remains available, although most current guidance recommends ignoring low-quality links.
The link building landscape in 2026
Strip away the AI search debates, the traffic concerns and the new-tactic hype, and the position is straightforward. Backlinks remain among the clearest signals search engines and AI models use to determine visibility. What has changed is the cost-benefit calculation around earning them.
Bulk link building no longer produces results, because the economics have stopped working. Cheap links generate no ranking lift, and manipulative tactics get devalued faster than they can be deployed. Agencies selling guaranteed placements on PBNs continue to find buyers, but the buyers are operating on outdated information.
The replacement model resembles how marketing operates outside SEO. A brand builds something worth referencing, whether a research report, a tool, a perspective or a campaign, and places it in front of the audience whose attention it requires. Relationships develop with journalists, editors and creators covering the space, communities receive participation independent of immediate link benefit, and links follow value rather than the reverse.
This favours brands willing to invest in fundamentals over those chasing tactics, rewarding depth over scale, original thinking over recycled content, and patience over urgency. The advice is uncomfortable for teams requiring next-quarter rankings, but it remains the only approach that holds up across the next three years of search.
The practical questions for a CMO are which two or three assets the company could publish in the next six months that would warrant citation by industry-leading writers, which relationships remain unbuilt, and whether the content is structured for citation by both humans and language models. Citation is the currency that compounds in both contexts.
If you want assistance with your organic B2B strategy, we are here for you! You can read more about our AI SEO services here, or contact us directly to learn how we can best support you in reaching your business goals.
