Lesson 8.8 of the Angular tutorial — what actually triggers change detection in a zoneless, OnPush app, how to profile it, and an 8-point checklist: OnPush, computed() over template methods, immutable updates, track, granular signals, linkedSignal, hot events and rendering less.
Avoiding Unnecessary Re-renders in Angular: A Performance Checklist [2026] Read More »
Lesson 8.7 of the Angular tutorial — a practical memory-leak playbook: symptoms, a heap-snapshot comparison workflow, retainer paths, leaks that survive takeUntilDestroyed (shareReplay, registries, caches, libraries, overlays) and memlab.
Angular Memory Leaks: Find and Fix Them With Heap Snapshots [2026] Read More »
Lesson 8.5 of the Angular tutorial — read the build output, map the bundle with –stats-json and source-map-explorer, fix tree-shaking blockers, defer heavy code with lazy routes and @defer, and lock it in with budgets.
Angular Bundle Analysis and Tree-Shaking: Ship Less JavaScript [2026] Read More »
Lesson 8.4 of the Angular tutorial — NgOptimizedImage end to end: priority for the LCP image, width/height against layout shift, responsive srcset with sizes and loaders, fill mode, placeholders and migration.
Angular NgOptimizedImage: Faster LCP With One Directive [2026] Read More »
Lesson 8.3 of the Angular tutorial — what @for track really controls, why track item and track $index cause flicker and lost state, choosing stable keys, NG0955/NG0956 warnings, and migrating trackBy.
Angular @for and track Explained: Stop Recreating the DOM [2026] Read More »
Lesson 8.1 of the Angular tutorial — Angular 22 makes OnPush the default and renames Default to Eager. What triggers an OnPush check, why components stop updating, and how to migrate safely.
Angular 22 OnPush by Default: What Changed and How to Migrate [2026] Read More »
Lesson 6.5 of the Angular tutorial — caching strategies: shareReplay, per-key memoization, TTL, stale-while-revalidate, cache invalidation patterns, browser HTTP cache, when to use TanStack Query.
Lesson 5.6 of the Angular tutorial — lazy loading: route-level (loadComponent, loadChildren), template-level (@defer with on viewport/idle/interaction/hover/timer + prefetch), SSR hydrate triggers, when to lazy-load.
Angular Lazy Loading and @defer: Route-Level and Template-Level Code Splitting [2026] Read More »
Lesson 3.4 of the Angular tutorial — the experimental debounced() helper (Angular 22): it returns a Resource, supports custom wait functions and equality, pairs with httpResource, and replaces RxJS debounceTime for the common case.
Angular 22 debounced() Signals: Native Rate Limiting Without RxJS [2026] Read More »
Lesson 10.4 of the JavaScript tutorial — Web Workers in depth: separate threads, postMessage and structured cloning, transferables, what’s available in worker scope, the Promise-shaped RPC pattern, Comlink, and SharedArrayBuffer.
JavaScript Web Workers: Running Code on a Separate Thread Read More »