301 redirect

A permanent redirect that tells clients the resource has moved and a new URL should be used.

302 redirect

A temporary redirect that preserves the original URL as the expected long-term location.

308 redirect

A permanent redirect that preserves the request method and body.

AI Overview

A Google Search feature that assembles a generated response and links to supporting web sources.

Anchor text

The perceivable wording or alternative label of a link.

Canonical

The representative URL preferred by a publisher or selected by a search system among equivalents.

CLS

Cumulative Layout Shift, a Core Web Vital describing unexpected visual movement.

Crawl

The retrieval of a resource by an automated agent.

CTR

Click-through rate: clicks divided by impressions for a defined dataset and context.

Doorway abuse

Pages or sites created to rank for similar queries and funnel users to an intermediate destination.

Duplicate content

Substantially overlapping material available at more than one URL; not automatically a penalty.

Faceted navigation

Filters and sort controls that can create many combinations of collection URLs.

First-party data

Data collected through a direct relationship and governed by the organization using it.

Hreflang

An annotation connecting language or regional equivalents of the same page.

Index

A search system's stored representation of eligible resources and their interpreted information.

INP

Interaction to Next Paint, a Core Web Vital describing interaction responsiveness.

Intent

The task or decision a person is trying to complete through a search.

JSON-LD

A JSON serialization for linked data commonly embedded in a page for structured data.

Keyword stuffing

Unnatural repetition intended to manipulate search relevance.

LCP

Largest Contentful Paint, a Core Web Vital describing loading of the main visible content element.

Material update

A change that meaningfully improves facts, method, scope, examples or utility—not a date-only edit.

Meta description

A page-level description that may be used as a search-result snippet but is not guaranteed to appear.

Meta keywords

A retired metadata field that Google does not use for web ranking.

Noindex

A supported directive requesting that an accessible resource not be indexed.

Orphan page

A page with no discovered incoming internal link in the evidence set being analyzed.

Position

An observation of where a result appeared under a defined Search Console aggregation; not a universal rank.

Rendering

Processing a document, potentially including JavaScript, to produce an interpretable page state.

Rich result

A search display enhanced beyond a standard link when systems choose to use eligible structured data.

Robots.txt

A host-level protocol file that communicates crawler access rules; it is not authentication.

Search Console

Google's property-owner interface for search performance, indexing and related diagnostics.

Search result

A resource or feature selected for a particular query and context.

Server Component

A React component rendered on the server without shipping its component code to the browser.

Sitemap

A machine-readable inventory of canonical URLs and optional metadata supplied by a publisher.

Soft 404

A URL that returns a success status while presenting a missing or non-useful result.

SSRF

Server-side request forgery: abuse of a server's network access to reach unintended destinations.

Structured data

Machine-readable statements describing visible page entities and relationships.

TF-IDF

A lexical weighting method that emphasizes terms frequent in one document but less common across the collection.

URL parameter

A key/value component after a URL question mark, often used for filtering, tracking or application state.

Web Worker

A browser execution context used to perform heavy processing away from the main user-interface thread.

x-default

A hreflang value identifying the fallback page for unmatched languages or regions.