Blog posts absolutely help SEO when done correctly. They let you target hundreds of long-tail keywords that your main service pages can't reasonably cover, build topical authority in your niche, and create link-worthy assets that earn organic backlinks. A well-optimized blog also keeps your site fresh with new crawlable content, which signals activity to Google. The mechanism is straightforward: each post targets a specific query cluster, uses relevant internal links to distribute authority across your site, and demonstrates expertise on topics related to your core business. For Ottawa SEO's portfolio sites, we've seen blog-driven domains consistently outrank competitors who only maintain static service pages, particularly for informational queries that sit higher in the funnel. But quality matters more than quantity. A thin 300-word post with no search intent match, weak keyword targeting, or generic advice won't move the needle. You need posts that actually answer what people search for, include relevant semantic keywords, satisfy E-E-A-T signals, and integrate naturally into your site's topic clusters. We typically aim for 800–1,500 words for informational content and 1,200–2,500 for comprehensive pillar pieces. The ROI case: blog content compounds. A service page for "Ottawa web design" might rank for 5–10 keywords. A strategic blog with 50 optimized posts can rank for 200–400 keywords, capturing traffic across the entire customer journey from awareness to decision. That traffic feeds retargeting pools, email lists, and eventually conversions. Watch out for the content trap—publishing weekly just to hit a schedule without keyword research or promotion. Orphan posts with no internal links, no backlinks, and no traffic are dead weight. At Ottawa SEO, we focus on targeted clusters: 8–12 posts around a pillar topic, heavily interlinked, optimized for specific PAA questions and featured snippets. That concentrated approach beats 52 random posts per year.