The best backlinks come from sites your target audience already trusts. Start with industry-specific directories like trade associations, chambers of commerce, and local business listings (Google Business Profile, Yelp, Yellow Pages for Canadian markets). These are easy wins and establish foundational citations. Guest posting works when you target blogs that share your audience but aren't direct competitors. Reach out with a specific topic idea that serves their readers, not a generic pitch. A single post on a site with 50+ domain authority and actual traffic beats ten posts on obscure blogs no one reads. Digital PR earns links by creating newsworthy content—original research, local surveys, data visualizations, or expert commentary on industry trends. We've seen clients land CBC, Toronto Star, and trade publication links this way. Tools like HARO connect you with journalists hunting for sources, though response rates vary. Broken link building finds dead links on resource pages in your niche, then offers your content as a replacement. It works because you're solving a problem for the site owner. Use Ahrefs or Screaming Frog to find 404s on competitor backlink profiles or relevant resource lists. Resource pages and curated lists in your industry are goldmines. Search "your topic + resources" or "your topic + links" to find pages actively collecting useful sites. Email the curator explaining why your content fits. Avoid link farms, PBNs, and bulk directory submissions. Google's algorithm spots patterns fast, and a manual penalty costs more to fix than any shortcut saves. At Ottawa SEO, we prioritize links that would drive clicks even if Google didn't exist—that's the reliability test. If a link wouldn't send qualified traffic, it's probably not worth pursuing. Build relationships first, links second.