Backlinks are good when they're earned or built legitimately from sites that have topical relevance and real authority. Google's algorithms still treat quality backlinks as votes of confidence, and domains with strong backlink profiles consistently outrank those without them in competitive niches. A single link from a government site, university, or industry publication can move the needle more than fifty directory links. Backlinks turn bad in three scenarios. First, when they come from link farms, PBNs with obvious footprints, or irrelevant sites just stuffing anchor text. Second, when the velocity looks unnatural, like going from five referring domains to two hundred in a month with no content to justify it. Third, when they use over-optimized anchor text repeatedly, especially exact-match commercial keywords. Google's Penguin updates specifically target these patterns, and recovery from a manual penalty takes months of disavowing and cleanup work. The context matters more than the binary. A backlink from a hobby blog with genuine editorial standards and engaged readers can outperform a link from a high-DR site that sells links to anyone. We've seen clients in Ottawa rank page one with thirty high-relevance backlinks while competitors with three hundred junk links stay on page three. At Ottawa SEO, we build backlinks through content that actually deserves links: original research, local data, tools, and resources that solve real problems. We avoid guest post farms, cheap fiverr packages, and any scheme that promises fast results. The goal is a natural-looking profile where 70–80% of links use branded or URL anchors, with commercial anchors sprinkled in naturally. We also monitor for negative SEO, disavowing obvious spam quarterly. Backlinks are good when they'd exist even if Google didn't count them. If you'd want the link for the referral traffic alone, it's probably a good link. If it only exists to game rankings, it's bad and getting riskier every core update.