Conversion tracking in Google Analytics means monitoring the specific actions that matter to your business. Instead of just counting visitors, you're measuring outcomes: someone bought your product, filled out a contact form, downloaded a PDF, watched a video to completion, or hit a thank-you page after booking a call. In Universal Analytics (the old version sunsetted in July 2023), you set up Goals with destination URLs, duration thresholds, or event triggers. In GA4 (the current platform), everything is event-based. You mark certain events as conversions—like a "purchase" event or a "form_submit" event—and GA4 starts counting them. You can create custom events through Google Tag Manager or directly in the GA4 interface if you need something beyond the automatic tracking. The real value isn't just knowing 47 people converted last week. It's tying those conversions back to source and medium. You see that organic search drove 18 conversions at CAD $340 average order value, while paid social drove 12 at CAD $180. That attribution tells you where to double down or cut budget. GA4's data-driven attribution model spreads credit across the customer journey, which is more realistic than last-click but also harder to interpret if you're used to simple reporting. At Ottawa SEO, we set up conversion tracking in the first week of any engagement because you can't optimize what you don't measure. For lead-gen sites, that's usually form submissions and phone clicks. For e-commerce, it's transactions and add-to-cart events. For content plays, maybe newsletter sign-ups or gated downloads. Two common mistakes: tracking the form page view instead of the actual submission (inflates your numbers), and forgetting to exclude internal traffic or test submissions (pollutes your data). Always verify conversions are firing correctly in GA4's DebugView before you trust the reports. Set up at least one conversion goal, even if it's just tracking contact page visits, because traffic without conversion context is just vanity metrics.