A backlink is a hyperlink from one website pointing to another. If TechCrunch links to your homepage, you have a backlink from TechCrunch. Search engines, especially Google, treat backlinks as votes of confidence. The more quality sites that link to you, the stronger your domain authority becomes and the higher you typically rank. Not all backlinks carry equal weight. A link from CBC.ca or The Globe and Mail moves the needle far more than one from a no-name blog network. Google evaluates the linking domain's authority, topical relevance, anchor text, and whether the link is followed or nofollowed. Editorial links embedded in content outperform footer or sidebar placements. Context matters—if you run a plumbing company in Ottawa and get linked from a local news piece about residential services, that relevance amplifies the value. Backlinks remain one of the top three ranking factors. In competitive niches like legal, finance, or SaaS, you need dozens to hundreds of strong backlinks to crack page one. Low-competition local queries might need only five to ten quality mentions. Over our portfolio, we've seen domains jump from page three to page one after acquiring fifteen to twenty editorial links from niche-relevant Canadian publications and industry directories. You can check your backlink profile using Google Search Console, Ahrefs, SEMrush, or Moz. Look at total referring domains, not just total backlinks—ten links from ten different sites beat fifty links from one site. Watch for toxic patterns: sudden spikes from spammy directories, exact-match anchor text overuse, or links from penalized networks. Google's spam algorithms have grown sharper; manual link schemes risk penalties that wipe out months of work. At Ottawa SEO, we build backlinks through original research, digital PR, guest contributions to established publications, and strategic partnerships. We avoid PBNs and bulk link buys. Quality over quantity wins every time, especially post-Penguin and with Google's helpful content focus.