Crawl budget is the number of pages Googlebot will crawl on your site in a given timeframe. Most sites don't need to worry about it. If you're running under 10,000 pages with decent technical health, Google will crawl everything that matters. It becomes critical when you're operating large inventories, faceted navigation systems, or multi-regional sites where wasted crawls mean important pages get stale in the index. Start by identifying crawl waste. Check Google Search Console's Crawl Stats report to see what Google is actually hitting. If you see thousands of crawls going to paginated archives, filter URLs, or session ID parameters, you're bleeding budget. Block these in robots.txt or use URL parameters in GSC to tell Google how to handle them. We've seen e-commerce sites reclaim 40-60% of their crawl budget just by blocking faceted navigation and search result pages. Fix technical drains next. Redirect chains burn crawls—every 301 in a chain costs a separate fetch. Slow server response times reduce how aggressively Google crawls. Broken internal links create dead ends. Your target is sub-200ms server response and zero redirect chains on priority pages. Update your XML sitemap to include only indexable, valuable URLs—sitemaps aren't a crawl directive, but they signal priority. Internal linking is your steering wheel. Pages linked from your homepage or main navigation get crawled more frequently. Orphaned pages, even if technically accessible, get crawled rarely or never. We structure client sites so that priority pages are maximum three clicks from the homepage, and we use contextual internal links to reinforce what matters. For large sites, log file analysis beats guessing. Tools like Screaming Frog Log Analyzer show you exactly where Googlebot spends time versus where you want it to go. If you're managing a 100,000-page site and Google only crawls 2,000 pages per day, you need six weeks for a full crawl. That's when crawl budget optimization moves from nice-to-have to revenue-impacting.