Crawl budget is how many pages Googlebot will request from your site in a day or week before moving on. Google determines this through two factors: crawl rate limit (how fast your server can handle requests without degrading) and crawl demand (how much Google actually wants to crawl your content based on popularity and freshness signals). For most small to medium sites under 5,000 pages with decent authority, crawl budget is essentially unlimited and not a concern. Google will crawl your entire site multiple times per week without issue. Crawl budget becomes critical when you operate large sites with tens of thousands of URLs. Common scenarios where you'll hit limits: e-commerce sites with heavy faceted navigation generating 50,000+ parameter variations, news sites publishing hundreds of articles daily, or domain portfolios where each property competes for attention. When crawl budget is constrained, Google may spend time on low-value pages like duplicate filters, infinite scroll pagination, or expired product variants instead of your money pages. The main risks of poor crawl budget management are delayed indexing of new content and wasted crawl on junk URLs. If Google burns through your budget on 10,000 useless parameter combinations, your fresh blog posts or new product pages might not get crawled for days or weeks. This directly impacts revenue for time-sensitive content. At Ottawa SEO, we optimize crawl budget through robots.txt blocking of admin sections and search result pages, canonical tags to consolidate duplicate signals, XML sitemaps prioritizing important URLs, and parameter handling in Search Console. We also fix server errors and slow response times that throttle crawl rate. For our portfolio sites, we monitor crawl stats weekly in Search Console, watching for spikes in 404s or soft 404s that indicate wasted crawl. If you're under 10,000 indexed pages and your server responds in under 500ms, crawl budget is likely not your bottleneck. Focus on content quality and links first. But if you're managing a massive site and seeing indexing delays of 3-7 days on new URLs despite submitting sitemaps, crawl budget optimization should move up your priority list.