Technology & Testing Core B · Official guidance Platform: Web

Data Prefetching

Data prefetching loads likely-needed data before its screen opens. A fresh cached result can make the next screen faster.

See how it works
You might call it prefetch querypreload dataroute prefetch

See how it works

Original worked exampleData Prefetching

Another example

Focusing a project link starts its detail request. Opening the project can use the prefetched cache.

Main parts

  1. 01Intent signal
  2. 02Early request
  3. 03Cache key
  4. 04Freshness window
  5. 05Fast handoff

Use it when

Prefetch when the next action is likely and its request is small enough to load early.

Do not use it when

Do not prefetch private, expensive, or unlikely data. Respect limited networks and fresh-cache rules.

Name used in code

intent signal -> prefetch -> cache -> navigate -> render

Before you ship

Check the runtime and version, integration limits, dependencies and licenses, and platform support. Verify security, failure, speed, monitoring, deploy, support owner, upgrade path, and rollback.

Request you can copy

Outcome: Use or review Data Prefetching as a technical building block that the team can maintain. User context: Focusing a project link starts its detail request. Opening the project can use the prefetched cache. Technology or engineering concept: Data Prefetching. Why it fits: Prefetch when the next action is likely and its request is small enough to load early. Do not use it when: Do not prefetch private, expensive, or unlikely data. Respect limited networks and fresh-cache rules. Engineering fit: Define where it runs and which version to use. Set its job, interfaces, data flow, dependencies, supported systems, security, and speed limits. Explain how it fits the current stack. Lifecycle safeguards: Check dependency health and licenses. Add monitoring and a fallback. Name the upgrade owner. Do not add a second tool for the same job without a measured benefit. Acceptance criteria: A small integration proves the needed behavior. Test compatibility, security, failure, and performance. Document deploy, upgrade, support, and rollback steps. Evidence and limits (evidence boundary): It is official for that source. Other platforms or teams may use the term in another way. Unknowns to confirm: Current stack, runtime and version rules, target systems, dependency owner, performance budget, support period, and migration limits.

Check this request

Review the current use of Data Prefetching. Definition: Data prefetching loads likely-needed data before its screen opens. A fresh cached result can make the next screen faster. Release checks: Check the runtime and version, integration limits, dependencies and licenses, and platform support. Verify security, failure, speed, monitoring, deploy, support owner, upgrade path, and rollback. Before changing code, report the evidence you found, gaps, severity, and the smallest safe fix.

B
How official is this term?

Official guidance

The named platform, framework, project, or expert group has an official guide for this term.

It is official for that source. Other platforms or teams may use the term in another way.

Scope
TanStack Query data prefetching
Document status
stable
Checked on
2026-07-30

Evidence sources & scope

Authority source + Term reference · TanStack Query · stable Prefetching & Router Integration Scope: Populating a query cache before data is needed Role here: Direct term reference Source covers: canonical name, definition, platform API, implementation, usage guidance

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