Google Search Console has been around since 2006, when it first launched as Google Webmaster Tools. The platform rebranded to "Google Search Console" in May 2015, alongside a major interface overhaul that shifted focus from pure technical diagnostics to actionable performance data. The original Webmaster Tools was fairly basic—mainly XML sitemap submission, crawl error reports, and manual action notifications. Over the years, Google added the Search Analytics report (2015), which eventually became the Performance report we use today. The 2018 redesign introduced the current layout with separate property types (domain properties vs. URL prefix), the URL Inspection tool, and Core Web Vitals integration in 2020. At Ottawa SEO, we've used Search Console (and its predecessor) across our 500+ domain portfolio since the early days. The tool's longevity means there's nearly 18 years of historical context baked into how it works—some legacy quirks remain, like the 16-month data retention limit and the way it samples large datasets. That's why we cross-reference GSC data with server logs and third-party tools for clients who need deeper historical analysis or unsampled traffic patterns. The platform's staying power comes from being the only direct line to Google's index. You can't get manual action notifications, mobile usability warnings, or IndexNow-style crawl hints anywhere else. Third-party tools like Ahrefs or Semrush estimate; Search Console reports what Google actually sees. Key evolution points: 2006 launch as Webmaster Tools, 2015 rebrand and Performance report, 2018 major UI redesign, 2020 Core Web Vitals, 2023 INP addition. If you're managing a site that existed before 2015, you might still find references to "WMT" in old documentation or forum threads—it's the same platform. The core mission hasn't changed: help site owners understand how Google crawls, indexes, and ranks their content.