Link building is the process of getting external websites to link back to yours. When another site links to you, Google treats that link as a vote of confidence — it suggests your content is valuable enough to reference. Search engines use these signals to assess your site's authority, relevance, and trustworthiness, which directly impacts your rankings. Not all links carry equal weight. A link from a government agency, university, or established industry publication carries far more authority than one from a random directory or low-quality blog. Google evaluates the linking site's own authority, topical relevance to your content, and whether the link appears natural or manipulative. A single link from the Globe and Mail or a .edu domain can outweigh dozens of links from thin content farms. There are several approaches to building links: - Creating genuinely useful content that naturally attracts links (original research, tools, comprehensive guides) - Digital PR and outreach to journalists or bloggers in your niche - Guest posting on reputable industry sites - Building relationships with complementary businesses for contextual mentions - Reclaiming unlinked brand mentions by asking publishers to add the hyperlink What to avoid: buying links outright, participating in link schemes, or spamming irrelevant sites with requests. Google's algorithms have gotten sophisticated at detecting manipulation, and penalties can tank your visibility for months. At Ottawa SEO, we prioritize editorial links that make contextual sense. For local clients, that might mean placements in Ottawa Business Journal or Chamber of Commerce features. For B2B tech clients, it's industry publications and SaaS directories. We track domain authority, traffic estimates, and topical alignment before pursuing any link, and we measure impact through ranking movement and organic traffic growth, not just link count. A portfolio approach works best — consistent effort over 6–12 months building a mix of high-authority and niche-relevant links typically produces measurable ranking improvements.