A blog is one of the most effective SEO tools available, but only if you use it strategically. The core benefit is simple: every well-optimized blog post creates a new entry point from Google. Most businesses have 5-20 service pages, but a blog lets you target hundreds of long-tail variations and informational queries that commercial pages can't naturally rank for. The SEO advantages stack up quickly. Fresh content signals to Google that your site is active and maintained. Each post is an opportunity to build internal links to your money pages, strengthening their authority. Quality blog content earns backlinks organically—journalists, researchers, and other sites link to useful resources far more often than they link to product pages. Over time, comprehensive coverage of a topic builds topical authority, which helps all your pages rank better in that subject area. At Ottawa SEO Inc., we've seen blogs move the needle most when they answer actual search queries. A roofing company writing about "how to choose shingle colours" will outperform one publishing "company news" every time. The former targets 590 monthly searches in Canada, the latter targets zero. Search volume and intent matter more than publishing frequency. The tradeoffs: blogs require consistent effort. One post won't move metrics. You need 20-40 solid pieces before you see meaningful organic growth, and maintaining quality at volume is expensive. Poor content—thin posts, keyword-stuffed nonsense, or AI slop without editing—actively harms SEO. Google's Helpful Content Update specifically demotes sites that publish low-value content at scale. Expect 4-8 months before a new blog builds serious traffic. Budget $300-800 per post for professional writing and optimization in Canadian markets, or plan 4-6 hours per post if you're doing it internally. Track performance in Google Search Console—if posts aren't getting impressions after 60 days, your keyword targeting or content quality needs work. A blog is good for SEO when it's part of a documented strategy, not when it's a content calendar filled because someone said you should post twice weekly.