midPWA

What are caching strategies in PWAs?

Updated May 17, 2026

Short answer

Strategies define how network and cache are used.

Deep explanation

Includes cache-first, network-first, stale-while-revalidate depending on data freshness needs.

Real-world example

Static assets use cache-first, APIs use network-first.

Common mistakes

  • Using one strategy for all resources.

Follow-up questions

  • What is stale-while-revalidate?
  • Which is best for APIs?

More PWA interview questions

View all →