Crawl budget is one of the most over-worried concepts in SEO. For most small sites it barely matters. For large or bloated ones, it is decisive. Here is the honest version.
What it actually is
Crawl budget is roughly how many URLs Googlebot will fetch on your site in a given period. It is shaped by two things: crawl capacity (how much your server can handle without slowing) and crawl demand (how much Google wants your content, based on popularity and freshness).
When you should care
- Large sites (tens of thousands of URLs+) where Google may not reach everything.
- Sites with URL floods — faceted navigation, infinite parameters, calendars, thin auto-generated pages — that waste crawling on junk.
- Frequently updated sites that need fast recrawls.
If you have a few hundred quality pages on a healthy server, crawl budget is almost never your problem — indexing priority is.
How to use it well
- Stop wasting it. Block or consolidate low-value URL patterns (parameters, filters, near-duplicates).
- Fix errors and redirects. Crawl wasted on 404s and long redirect chains is crawl not spent on real pages.
- Keep the server fast. Higher capacity, higher crawl rate.
- Prune index bloat (see index bloat) so demand concentrates on pages that matter.
- Keep sitemaps clean and current (XML Sitemaps FAQ).
Related: Discovered – currently not indexed · Robots.txt mistakes
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