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Persisted queries replace full GraphQL strings with tiny hashes, cutting payload size and locking down the API to a pre‑approved whitelist. This post shows a minimal Apollo Server + Client setup, the operational trade‑offs, and a verification checklist you can run today.
A decision guide for Apollo Client fetchPolicy: compare cache-first, network-only, cache-and-network, and no-cache against freshness, load, and offline needs.
Learn how Apollo Client’s automatic cache normalization creates a single source of truth for GraphQL objects, preventing duplicate data and stale UI after mutations.
A diagnostic guide to Apollo Client pagination failures: why fetchMore duplicates or drops pages, how to inspect the normalized cache, and when to escalate.
Learn how to use Apollo Client Type Policies to implement cache redirects, eliminating redundant network requests when moving from list views to detail views.
Stop your paginated lists from disappearing. Learn how to use Apollo Client's typePolicies and merge functions to handle infinite scroll and custom cache keys.
graphql
apollographql