Crawl budget is one of those SEO topics that's either critical or completely irrelevant to you, with almost nothing in between. Let's clear up what it is, whether you should spend a minute thinking about it, and — if you should — where it actually leaks.
What crawl budget is
Crawl budget is roughly how many URLs Googlebot will crawl on your site in a given period. It's shaped by two things: crawl rate limit (how much your server can handle without slowing down) and crawl demand (how much Google wants your content, based on popularity and freshness). Waste it on junk URLs and your important pages get crawled less often.
Who should care
Google has been clear: most sites don't need to worry about crawl budget. It matters if you have hundreds of thousands of URLs, a large site that changes frequently, or a lot of auto-generated URLs (faceted navigation, filters, parameters). If you have a few hundred pages, Google will crawl them fine — spend your time elsewhere.
Where crawl budget leaks
On big sites, the usual culprits: faceted-navigation and filter URLs multiplying into millions of combinations; parameter URLs and session IDs; redirect chains that burn a crawl per hop; soft 404s; and infinite spaces like calendars. Every low-value URL Googlebot fetches is one it didn't spend on a page you care about.
How to improve it
Point Googlebot at what matters. Use robots.txt to block genuinely low-value URL patterns from being crawled, canonicalise duplicate and parameter URLs, collapse redirect chains to one hop, fix soft 404s, keep a clean sitemap of only indexable 200-OK URLs, and improve server speed so Google can crawl more per visit. Strong internal linking also helps Google prioritise your important pages.
Log files and Search Console
To see what Googlebot actually does, two sources: the Crawl Stats report in Search Console (requests over time, by response code and file type) and your server log files (the ground truth of every bot request). Log analysis reveals crawl waste — bots hammering parameter URLs or 404s — that no other tool shows.
If your site is small
Then relax — this isn't your bottleneck. Make sure you're not accidentally blocking or noindexing good pages, keep your sitemap clean, and focus on content and on-page basics. A quick pass with SEO Inspector confirms your key pages are crawlable and indexable, which is all crawl budget really comes down to at your scale.
