Link building for a landing page: should you actually invest in backlinks?

An SEO agency email, a link-exchange proposal, a vendor promising "20 quality backlinks in one month" for your Google Ads campaign landing page: the pitch comes around regularly, and so does the temptation to say yes — after all, more links means better SEO, right? Except most ad landing pages are never built to live long enough, or stay unique enough, for that investment to pay off. Before signing a link building package, the real question isn't "how many links" but "does this page even deserve authority built around it?"

Link building was designed for pages that stick around

The core principle behind link building rests on a mechanism documented since the early days of the modern web: PageRank. In their foundational paper, Sergey Brin and Larry Page — Google's founders — describe how a search engine can gauge a page's importance by analyzing the links pointing to it, with each link passing along a share of the authority held by the page carrying it — Brin, Page (1998), "The Anatomy of a Large-Scale Hypertextual Web Search Engine". This transfer of authority, often called "link equity" or "link juice", doesn't build up overnight: it accumulates gradually, as the page stays online, gets cited, gets indexed. A page that lives for six weeks — the length of an ad campaign — simply doesn't have time to accumulate that authority, no matter how much link-building budget gets thrown at it.

Why most ad landing pages have nothing to gain from link building

A typical Google Ads or Meta Ads campaign almost never relies on a single landing page: it splits the same offer into several near-identical variants, one per audience, per keyword, or per A/B test (see our article on dynamic keyword insertion). These variants share most of their content and differ only by a headline or an example. That's exactly the situation Fetterly, Manasse and Najork studied when they tracked the evolution of 150 million web pages over eleven weeks: nearly 30% of web pages turn out to be very close to another page, and just over 22% are near-exact duplicates — Fetterly, Manasse, Najork (2003), "On the Evolution of Clusters of Near-Duplicate Web Pages". When a search engine detects such a cluster of near-identical pages, it typically indexes only one of them as the canonical reference — backlinks pointing to the secondary variants then add zero ranking value, since those pages are never the one Google chooses to show. On top of that, a common and entirely legitimate practice makes things worse for link building specifically: many campaign landing pages are deliberately set to noindex to avoid exactly this duplicate-content problem, which makes any link building toward them pointless by design — see our article on what to do with a landing page after a campaign ends.

The landing pages that actually deserve real link-building work

The math flips entirely for a permanent offer landing page: a template's product page, a flagship service page, a capture page that stays identical for months rather than weeks. That page has time to accumulate authority, it's unique (no competing variants cannibalizing it), and it stays indexable over the long run. It's the same logic behind preserving SEO during a redesign instead of rebuilding from scratch every time: a page that has already accumulated links and organic rankings represents capital worth keeping and strengthening, not throwing away with every new campaign. Before even thinking about link building, our landing page SEO guide walks through how to check a page is structurally ready to be indexed in the first place — a baseline many campaign pages never meet, simply because they were never built for it.

How to earn natural links toward a page that deserves them

• Niche directories and comparison sites — a directory of certified coaches, a SaaS comparison site, a local trade directory: topically relevant links, useful for the visitor as much as for the search engine.
• Partnerships and co-marketing — a partner, supplier, or client who mentions your offer on their own page, in exchange for legitimate reciprocal visibility rather than a bare link swap.
• PR and public launches — a mention in a trade publication or a product-launch platform earns an editorial link, hard to get any other way and particularly well regarded by search engines.
• Internal linking from the blog — every article that covers a related topic and naturally links back to the offer page builds an internal authority flow that doesn't depend on anyone else, complementing external links.
• Reviews and testimonials published elsewhere — a customer sharing their experience on their own blog or LinkedIn, with a link to the page, combines social proof with a natural external link.

Link building comes after on-page optimization, never before

Building links toward a page that isn't ready to convert, or that a search engine can't properly parse, is like pouring traffic into a leak. Before chasing a single backlink, the page needs to already cover the fundamentals: a headline that faithfully echoes search intent (see our article on message match), correctly tagged structured data (see our guide on structured data and schema markup), and a well-controlled load time for the main content — see our dedicated article on a landing page's LCP. That's also what Google evaluates when computing a Google Ads campaign's Quality Score: a page's relevance counts as much, if not more, than its external authority. Link building amplifies an already solid page; it never fixes a poorly built one.

The trap of artificial link building on a sales page

Buying links in bulk, running through a private blog network (PBN), or exchanging links systematically outside any real topical relevance remains a risky practice, one search engines' quality guidelines have penalized for years: a sales page caught in that kind of scheme can see its ranking hit, sometimes for a long stretch, well after the vendor has already cashed the invoice. The risk is even more poorly calculated on an ad landing page, whose main traffic already comes from paid ads — link building then only adds a penalty risk without even the organic upside it was meant to deliver, since the page was never built to last in the first place.

Build a lasting page instead of a disposable one

The best way to make link building pay off isn't picking better backlinks — it's picking a landing page worth receiving them: a stable, technically clean product page that doesn't change structure with every new campaign. That's exactly the architecture behind LanderKit's 10 templates: each page — from the SaaS waitlist to the coaching booking page to the single-product e-commerce page — is a static Next.js project, fast, indexable from the very first visit, built to stay online for the long haul instead of being thrown away after a campaign. You can preview every demo before buying, for instance at /demo/saas-waitlist, and get a source code you keep, evolve, and keep earning inbound links to over time — instead of starting from zero with every new offer.