Backlinks are critically important for SEO because Google treats them as votes of confidence. When reputable sites link to yours, it signals that your content is valuable and trustworthy. Google's algorithm has always weighted external links heavily, and despite claims that links are declining in importance, every ranking correlation study since 2015 shows strong correlation between quality backlinks and top positions. The key word is quality. A single link from a domain authority 70+ site in your niche moves the needle more than 50 links from low-quality directories or blog comment spam. Google's Penguin update and subsequent core algorithm changes penalize manipulative link schemes, so the focus shifted from volume to relevance and authority. We've seen Ottawa clients jump from page three to page one after earning just 8-12 strong editorial links over six months. Backlinks matter for three specific reasons: - They pass PageRank authority that directly impacts your ability to rank - They drive referral traffic from engaged audiences already interested in your topic - They help Google discover and index new pages faster through crawling That said, not all industries need the same link velocity. Local service businesses in Ottawa might rank well with 20-40 quality local links, while competing nationally in legal or finance sectors often requires 200+ referring domains. The domain authority of linking sites, topical relevance, and anchor text diversity all factor into how much impact each link delivers. At Ottawa SEO Inc., we build links through digital PR, expert commentary, and creating genuinely useful resources that earn natural links. We avoid PBNs, link farms, and paid directory schemes. The portfolio sites we run earn links by publishing data-driven content that journalists and industry sites reference. Link building takes longer than on-page optimization but delivers compounding returns because quality links keep passing authority indefinitely. If you're serious about ranking for competitive terms, backlinks aren't optional, they're the foundation.