Broken link building aims to acquire authoritative backlinks by identifying broken external links on other sites, notifying webmasters about the issue, and proposing your content as a working alternative. The strategy works because you're solving a problem for the site owner before asking for anything in return. The core mechanics are straightforward. You find a resource page, industry roundup, or blog post in your niche that links to a 404 or defunct page. You reach out to the webmaster with a heads-up about the broken link, then tactfully suggest your comparable piece of content as a replacement. Because you led with value and their page already demonstrates willingness to link to that type of content, conversion rates often run 5-15% for well-targeted campaigns. The quality advantage matters more than volume. A broken link on an established industry resource page in your sector often carries more SEO weight than dozens of directory submissions. You're not just chasing any link, you're targeting contextually relevant placements on pages that already rank and pass authority. At Ottawa SEO, we focus broken link building on three scenarios: competitor backlink profiles where old tools or articles died, resource pages in adjacent industries that naturally link out, and government or educational sites with outdated references. The key is matching your content closely to what the broken link originally covered. Proposing a blog post about local SEO when the dead link was a technical schema markup tool gets ignored. Practical tradeoffs include time investment versus payoff. Manually checking 50 sites for broken links might yield 3-8 realistic opportunities. Tools like Ahrefs Site Explorer or Check My Links browser extensions speed up discovery, but the outreach still requires personalization to convert. Template emails rarely work. The webmaster needs to see you actually reviewed their page and that your suggestion improves their content, not just pads your backlink count.