Broken Link Building, Explained

Broken link building is one of the older, more established techniques in the SEO playbook, and it's built on a genuinely fair trade: you find a dead link on someone else's site — a link pointing to a page that returns a 404 — and let them know, while offering a working page of yours as a reasonable replacement. It's appealing precisely because it isn't a favor you're asking for out of nowhere; you're pointing out something that's actively broken on their site and offering a fix.

Whether it's worth your time as a local business depends heavily on your industry and how much genuinely useful, link-worthy content you actually have to offer as a replacement. This guide walks through how it works, how to find opportunities without paying for a crawling tool, and where it realistically fits alongside the other tactics in local link building basics.

How broken link building actually works

1. Find a page that links out to other sites in a way that makes sense for your industry — a resource page, an industry roundup, a "helpful links" section on an association or supplier site.
2. Check the outbound links on that page for ones that are dead (404, or the target site no longer exists at all).
3. Confirm you have — or can create — a page that's a genuinely reasonable replacement for what the dead link used to point to. Not just "related," but actually useful for the same purpose the original link served.
4. Reach out to the site owner, point out the specific broken link (include the exact URL), and mention your page as a possible replacement — framed as a courtesy, not a demand.
5. If they agree, they update the link. If they don't respond, you've still done a small, low-cost, no-downside outreach — move on to the next opportunity.

An honest assessment: does it fit a local business?

Broken link building was developed for, and works best on, content-heavy sites with a large library of genuinely useful resources — data pages, comprehensive guides, tools — that can plausibly replace a wide range of dead links across many different sites. A local service business typically has a handful of service pages and maybe a blog, which narrows the realistic pool of "here's a page of mine that's a good replacement for that exact dead link" opportunities considerably.

That doesn't make it worthless — it makes it a supplementary tactic rather than a primary strategy. The places it's most likely to pay off for a local business are narrower and more specific than the general advice suggests:

• Industry association and trade group resource pages — these often link out to member businesses and tools, and links break as businesses close or change domains.
• Local government and community organization pages — "local resources" or "recommended vendors" pages are common, rarely maintained, and often accumulate dead links over years.
• Supplier or manufacturer partner pages — dealer or installer directories sometimes link to businesses that have since rebranded or moved domains.

Finding broken links without a paid tool

Dedicated crawling tools that scan entire sites for broken links exist, but they're generally paid and overkill for the realistic scale a local business operates at. A free browser extension that checks the links on the page you're currently viewing for dead ones is enough — search your browser's extension store for a "broken link checker" extension, install it, and use it manually on the specific resource pages, directories, and roundups you already know are relevant to your industry and area. It's manual and slower than a paid crawler, but for checking a short, curated list of pages rather than crawling the entire web, it's a genuinely workable approach at zero cost.

Writing outreach that actually gets a response

Keep it short, specific, and genuinely helpful in tone. Name the exact broken link and where it appears on their page — vague messages ("I found some broken links on your site") get ignored because they create work for the recipient instead of doing it for them. Mention your replacement page as an option, not a requirement, and don't follow up more than once. Most outreach of this kind goes unanswered regardless of how well it's written; that's normal, not a sign the approach failed.

The more valuable flip side: fixing your own broken links

The same core skill — finding dead links and connecting them to a working page — is arguably more valuable pointed at your own site. A broken link on your own pages hurts your visitors and wastes crawl attention; an external site linking to a page of yours that's moved or been deleted is a link opportunity you're actively losing for no reason. See how to audit your own backlink profile for the practical, no-cost way to find exactly this using Google Search Console.