Google Search Console is Google's free platform that connects your website to their search engine infrastructure. It reports exactly what Google sees when crawling your site, which queries trigger impressions and clicks, and where technical barriers prevent indexing. Unlike Analytics, which tracks user behaviour after arrival, GSC shows pre-click data—what searchers typed, where you ranked, and whether Google can even read your pages. The Performance report is the most-used section. It breaks down impressions, clicks, average position, and CTR by query, page, country, and device over the past 16 months. You can spot which keywords are stuck on page two (position 11–20) with high impressions but low clicks, then prioritize content updates or internal linking to push them onto page one. The URL Inspection tool lets you test any page in real time, request indexing, and see the rendered HTML and resources Google actually fetches. Coverage and indexing reports flag crawl errors, redirect chains, soft 404s, and pages blocked by robots.txt or noindex tags. Core Web Vitals data surfaces speed and UX issues by URL group, increasingly tied to rankings since 2021. The Links report shows your top external backlinks and internal link structure, useful for identifying orphaned pages or unexpected link equity distribution. At Ottawa SEO, we check GSC daily for sudden index drops, manual actions, or security issues across our 500-domain portfolio. New sites often take 24–72 hours after verification to populate data. Common mistakes include verifying only the www version when non-www also receives traffic, ignoring mobile usability warnings, and not setting a preferred domain in older properties. GSC doesn't replace Analytics—it complements it. Analytics answers "what did users do"; GSC answers "how did Google find them and what stopped it from finding more".