Crawl budget is the number of pages Googlebot will crawl on your site in a given timeframe. It matters most for sites with 10,000+ URLs, though smaller sites can still benefit from optimization. Google allocates crawl budget based on two factors: crawl demand (how popular and fresh your content is) and crawl capacity (how fast your server responds without errors). Start with server performance. Response times under 200ms are ideal; anything over 500ms signals Google to slow down. Use a CDN, optimize database queries, and enable compression. We've seen crawl rates double when clients move from shared hosting to properly configured VPS or cloud infrastructure. Eliminate crawl waste. Run a log file analysis to identify what Google is actually crawling. Common drains include faceted navigation creating thousands of parameter URLs, pagination without proper rel=next/prev signals, infinite scroll implementations, old redirects (301s still consume budget), and orphaned pages linked from outdated sitemaps. Block low-value sections in robots.txt if they genuinely add no SEO value—think admin pages, internal search result pages, or print versions. Prioritize important content through XML sitemaps. List your revenue-driving and frequently updated pages first. For large sites, split sitemaps by section and update frequency. Submit them via Search Console and monitor the coverage report for patterns in what gets crawled versus indexed. Fresh content and strong internal linking signal crawl demand. Sites publishing daily news get crawled more aggressively than static brochure sites. Strategic internal linking from high-authority pages helps Google discover and recrawl updated content faster. For our portfolio sites, we typically see crawl budget issues when a domain crosses 5,000 indexed pages or has technical debt like redirect chains exceeding three hops. The fix is usually 70% technical cleanup and 30% content pruning—merging thin pages, noindexing duplicates, and consolidating similar URLs. Monitor crawl stats in Search Console weekly during optimization, then monthly once stable.