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Glossary · Crawling and indexing

Index lag

Delay between a page change and its appearance in an engine’s stored or served representation.

What Index lag does not show

It combines recrawl, processing, and serving delays that external tools cannot fully separate.

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.

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 · Longest-match rule · 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 · Deindexing · Removal request · URL inspection · Crawl anomaly · Bot spoofing · Shared IP range · Web Bot Auth

Questions about Index lag

What is Index lag?

Delay between a page change and its appearance in an engine’s stored or served representation.

What does Index lag not show or guarantee?

It combines recrawl, processing, and serving delays that external tools cannot fully separate.

Which area of the glossary does Index lag belong to?

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

← Index freshness · Deindexing →

See it in the full glossary · 731 terms across 19 areas.