Backlinks are created through three broad methods: earning, requesting, and self-creating. Earned links happen when someone naturally references your content because it's useful, original, or newsworthy. A local news site might link to your guide on Ottawa home prices if it's well-researched. A blogger might cite your data. These are the strongest signals because they're editorial votes of confidence. Requested links come from outreach. You contact a site owner, journalist, or blogger and ask them to link to your resource. This works when you offer genuine value: filling a content gap in their article, providing expert commentary, or replacing a broken link with your working alternative. Guest posting on reputable sites in your niche also falls here, as long as the content is substantive and the host site is selective about contributors. Self-created links are those you place yourself: business directories (Google Business Profile, Yelp, industry associations), social profiles, forum signatures, or blog comments. These carry less weight because anyone can create them, but legitimate directories and profiles still belong in a natural link profile. The line between legitimate and manipulative is intent and scale. A listing in the Ottawa Board of Trade directory is normal. Submitting to 200 low-quality directories in one day is spam. Manipulative schemes try to fake editorial endorsement. Buying links from link farms, using private blog networks, participating in link exchanges solely for SEO, or hiding links in footer widgets across unrelated sites all violate Google's guidelines. These might show short-term ranking gains but risk manual penalties or algorithmic devaluation. Google's spam updates have become effective at ignoring or discounting these patterns without needing manual intervention. Sustainable link building is relationship building rather than automated placement. If you wouldn't want a link publicly associated with your brand, it's not worth having. Quality, relevance, and editorial context matter far more than raw volume.