Google Search Console is Google's official tool for webmasters and SEO professionals to monitor how their sites perform in Google Search. It's completely free and provides data you can't get anywhere else because it comes directly from Google's index. The tool shows you which search queries bring visitors to your site, your average position for those queries, click-through rates, and total impressions. You can see exactly which pages are indexed, submit sitemaps, request indexing for new or updated pages, and identify crawl errors that prevent Google from accessing your content. It also flags mobile usability problems, Core Web Vitals issues, manual actions, and security problems like hacking or malware. At Ottawa SEO Inc., we connect Search Console to every client site within the first week. The Performance report is essential for tracking keyword rankings over time, and the Coverage report tells us immediately if pages drop out of the index. We use the URL Inspection tool almost daily to diagnose why specific pages aren't ranking or to force Google to recrawl updated content. Key limitations: Search Console only shows the last 16 months of data, rounds numbers for privacy, and samples data for high-traffic sites. It won't tell you what your competitors are doing, and the keyword data is limited to queries where your site appeared in results. You'll still need third-party tools like Ahrefs or SEMrush for competitor research, backlink analysis, and keyword discovery. The biggest mistake we see is site owners ignoring Search Console warnings. If Google sends you a manual action notice or reports a sudden indexing drop, that's not optional reading. The second mistake is never checking it at all. Even if you hire an agency, you should have view access and glance at the Performance and Coverage sections monthly. It's the single most important free SEO tool available, and there's no substitute for first-party data from Google itself.