Start with crawling fundamentals because everything else builds on them. Install Screaming Frog, crawl your own site or a client's, and learn to interpret status codes, redirect chains, and crawl depth. Pair that with Google Search Console to see what Google actually indexes versus what you think should be indexed. This gap reveals 80% of technical issues on most sites. Master Core Web Vitals next. Run Lighthouse and PageSpeed Insights on 20 different sites to see how real-world performance varies. Learn the difference between LCP, CLS, and INP, and what actually moves the needle—usually image optimization, render-blocking resources, and server response time. At Ottawa SEO we see sites jump from page 3 to page 1 just by fixing TTFB and deferring non-critical JavaScript. Then move into structured data and log file analysis. Schema.org markup is straightforward but powerful for rich results. Log files show you what Google actually crawls versus what it ignores, revealing crawl budget waste and orphaned pages that GSC won't surface. The best learning path is auditing diverse sites: - E-commerce with faceted navigation and canonicalization issues - JavaScript-heavy SPAs where rendering matters - Local business sites with simple technical needs but broken fundamentals - Large content sites with pagination and internal linking challenges Skip generic SEO courses that bundle technical with content and links. If you want structured learning, Technical SEO Crawl Optimization by Fili Wiese or anything by Bastian Grimm covers advanced territory. But honestly, auditing 10 sites with Screaming Frog teaches you more than 40 hours of video. The technical SEO skill that separates beginners from practitioners is knowing which issues actually matter. A site with 10,000 redirect chains needs fixing. A site with 50 missing alt tags on footer images does not. You learn that prioritization only through repetition and measuring what moves rankings. Give yourself 90 days of daily practice. Audit two sites per week, fix issues on your own properties, and track ranking changes. That's faster than any certification and builds judgment no course provides.