A backlink is simply a hyperlink on one website that points to a page on another website. When Site A links to Site B, Site B has gained a backlink from Site A. Search engines treat backlinks as endorsements—the more credible sites that link to you, the more authority Google assigns to your domain. Not all backlinks carry equal weight. A link from the CBC or a .edu domain moves the needle far more than a link from a low-traffic blog or a link farm. Google's algorithm evaluates the linking site's domain authority, topical relevance, and whether the link is editorial or paid. A backlink from a Canadian government site (.gc.ca) about business grants will help an Ottawa consulting firm rank much more than a sitewide footer link from an unrelated hobby blog. Backlinks matter because they remain one of Google's top three ranking factors, alongside content quality and user experience signals. Sites that earn 50+ high-quality backlinks in their niche consistently outrank competitors with fewer or weaker links. The challenge is acquisition—good backlinks require outreach, content that others want to reference, or partnerships that make sense editorially. Two warnings. First, buying backlinks or using private blog networks violates Google's guidelines and risks manual penalties that can crater your rankings overnight. Second, velocity matters—gaining 100 backlinks in a week when you historically earned two per month looks manipulative. Natural link profiles grow steadily. At Ottawa SEO Inc., we build backlinks through digital PR, guest contributions on industry sites, and creating linkable assets like original research or tools that journalists and bloggers cite. We track referring domains in Ahrefs or Semrush, prioritize relevance over raw quantity, and disavow spammy inbound links that could trigger algorithmic filters. A solid backlink profile takes months to build but pays compounding returns—every quality link strengthens your domain's ability to rank for competitive keywords.