Glossary · Crawlers and access
crawl budget
The effort a crawler will spend on a site before moving on. Wasting it on redirect chains and unreachable URLs is measurable; the budget itself is not published by any operator.
Terms this definition uses
Crawlers and access
Who is fetching, whether they are who they claim, and what your rules actually permit.
retrieval crawler · user-triggered fetch · verified crawler · forged crawler identity · unverifiable · robots.txt · user-agent group · AI opt-out · Content-Signal · cloaking · challenge page at 200 · uniform refusal · nonexistent-path control · blocked render resource · off-host redirect · homepage refused · FCrDNS · Crawler trap · Conditional request · ASN blocking · operator feed · residential proxy · Google-Extended · Google-Agent · GPTBot vs OAI-SearchBot · ClaudeBot vs Claude-User · PerplexityBot vs Perplexity-User · CCBot · Bytespider · agentic traffic · crawler classification
← Content-Signal · cloaking →
See it in the full glossary · 579 terms across 19 areas. Scan a site to see which of these apply to it.