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Glossary · Crawling and indexing

Longest-match rule

Choosing the Allow or Disallow path with the most matching octets.

What Longest-match rule does not show

File order is not the deciding factor when path specificity differs.

Where Longest-match rule comes up on this site

Naming a crawler in robots.txt drops your Disallow rulesWildcards follow the same longest-match rule.

Related terms in Crawling and indexing

How a crawler discovers, schedules, fetches and selects pages, and why a fetched page is not an indexed one.

Sitemap directive · Crawler identity · Product token · Identification string · Crawl frontier · Crawl queue · Crawl scheduler · Seed URL · URL discovery · Link extraction · Recrawl interval · Crawl frequency · Host politeness · Crawl rate · Crawl-delay · Robots group merging · Wildcard rule · End-anchor rule · Robots cache · Robots parse error · Robots redirect · Robots unavailable · Sitemap · Sitemap URL set · Sitemap lastmod · Sitemap hreflang · Image sitemap · Video sitemap · News sitemap · Canonical cluster · Duplicate cluster · Index selection · Crawl demand · Rendering queue · Rendered HTML · Indexing pipeline · Index freshness · Index lag · Deindexing · Removal request · URL inspection · Crawl anomaly · Bot spoofing · Shared IP range · Web Bot Auth

Questions about Longest-match rule

What is Longest-match rule?

Choosing the Allow or Disallow path with the most matching octets.

What does Longest-match rule not show or guarantee?

File order is not the deciding factor when path specificity differs.

Which area of the glossary does Longest-match rule belong to?

Crawling and indexing: How a crawler discovers, schedules, fetches and selects pages, and why a fetched page is not an indexed one.

← Robots group merging · Wildcard rule →

See it in the full glossary · 772 terms across 19 areas.

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