Skill Profile

Progressive Web Apps (PWA)

Offline-first, web app manifest, push notifications, caching strategies, Workbox

Frontend Development Web Standards & APIs

Roles

4

where this skill appears

Levels

5

structured growth path

Mandatory requirements

20

the other 0 optional

Domain

Frontend Development

Group

Web Standards & APIs

Last updated

3/17/2026

How to Use

Choose your current level and compare expectations. The items below show what to cover to advance to the next level.

What is Expected at Each Level

The table shows how skill depth grows from Junior to Principal. Click a row to see details.

Role Required Description
Frontend Developer (Angular) Required Understands PWA fundamentals including service workers and web app manifests in Angular. Uses Angular CLI to generate PWA scaffolding with @angular/pwa. Follows offline-first caching strategies from documentation.
Frontend Developer (React) Required Understands PWA concepts including service workers and manifest configuration in React apps. Uses Workbox with Create React App for basic caching strategies. Implements installability prompts and offline fallback pages.
Frontend Developer (Svelte) Required Understands PWA principles and applies them in SvelteKit applications. Configures service workers and manifest files for installability. Uses SvelteKit's built-in service worker support for basic offline capabilities.
Frontend Developer (Vue) Required Understands PWA fundamentals and integrates them into Vue applications. Uses @vue/cli-plugin-pwa or vite-plugin-pwa for service worker generation. Configures caching strategies and offline support following Vue ecosystem patterns.
Role Required Description
Frontend Developer (Angular) Required Configures advanced PWA features in Angular: caching strategies in ngsw-config.json (freshness vs performance), push notifications via SwPush, background data sync, App Shell for fast startup.
Frontend Developer (React) Required Implements PWA functionality in React/Next.js applications: caching strategies (cache-first, network-first) through Workbox, push notifications, offline fallback. Configures precaching of critical resources and runtime caching for API responses.
Frontend Developer (Svelte) Required Configures PWA in SvelteKit with a custom service worker: caching strategies (stale-while-revalidate, cache-first), offline fallback pages. Implements background data synchronization, push notifications, and SW updates without losing $state.
Frontend Developer (Vue) Required Configures PWA for Vue/Nuxt — Workbox caching strategies, push notifications, background sync. Implements offline-first approach with Pinia stores and IndexedDB, configures @vite-pwa/nuxt for Nuxt 3.
Role Required Description
Frontend Developer (Angular) Required Designs Angular application PWA architecture: offline-first strategy with IndexedDB, custom service worker for complex caching logic, background sync via Angular Service Worker, Lighthouse PWA score optimization.
Frontend Developer (React) Required Designs PWA architecture for React applications: offline data synchronization strategy with TanStack Query server state, background sync, periodic synchronization. Ensures graceful degradation and progressive enhancement for all features.
Frontend Developer (Svelte) Required Designs offline-first SvelteKit PWA architecture: IndexedDB for persistent storage, background sync, periodic sync API. Creates caching strategy for SSR/SSG pages and API responses, implements smooth app updates through Svelte transitions.
Frontend Developer (Vue) Required Designs PWA architecture on Vue 3 — service worker update strategies, critical resource precaching, background data sync. Optimizes performance through runtime caching and stale-while-revalidate patterns.
Role Required Description
Frontend Developer (Angular) Required Defines PWA standards for the Angular project: app update strategies (SwUpdate), caching policies for different content types, PWA engagement metrics, offline scenario testing process.
Frontend Developer (React) Required Defines PWA strategy for the team's React projects: offline-first architecture standards, PWA quality metrics, testing processes. Coordinates PWA integration with existing Next.js infrastructure, defines offline functionality scope and boundaries.
Frontend Developer (Svelte) Required Defines PWA development standards in the Svelte team: Lighthouse metric checklists, offline testing, update strategies. Implements SW error and cache efficiency monitoring, coordinates PWA functionality integration with SvelteKit adapters for different platforms.
Frontend Developer (Vue) Required Defines PWA development standards for Vue teams — offline UX patterns, caching strategies, quality metrics. Introduces PWA testing processes through Lighthouse CI and automated pipeline checks.
Role Required Description
Frontend Developer (Angular) Required Shapes PWA strategy at the Angular platform level: offline-first architecture for critical business processes, native API integration (Web Share, Badging), cross-platform strategy with Angular + Capacitor/Ionic.
Frontend Developer (React) Required Shapes PWA strategy for the organization's React application ecosystem. Defines distributed caching architecture between Service Worker, React Server Components and edge CDN, designs unified offline-first approach for all products.
Frontend Developer (Svelte) Required Shapes progressive enhancement strategy at the organizational level, researches Project Fugu API capabilities in SvelteKit applications. Defines offline-capable platform architecture, influences PWA integration development in the Svelte ecosystem through open-source contributions.
Frontend Developer (Vue) Required Shapes PWA strategy for company's Vue ecosystem — multi-platform deployment, advanced caching, native API integration. Researches Project Fugu APIs and Web Push for extending Vue application capabilities.

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