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PWA Development for Installable, Offline-Ready Web Apps

Deliver app-like experiences directly from the web.

JW Digital builds fast, installable Progressive Web Apps that work offline, send push notifications, and load instantly — no app store required.

Start Your PWA ProjectSee our work

Or call +44 161 399 4659— no obligation.

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Web & Mobile AppsOne codebase where it fits
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Tested Before LaunchAutomated and manual cover
  • Web & Mobile AppsOne codebase where it fits
  • Tested Before LaunchAutomated and manual cover
  • Built To LastMaintainable and documented
  • Ongoing SupportIterated, not abandoned
What this covers

Everything you need to win more work.

Progressive Web Apps are the right answer for a specific category of product: web reach with mobile-class behaviour, no App Store review cycle, no 15-30% platform tax, and full SEO discoverability. JW Digital builds PWAs that earn their installability — proper service worker strategy, offline-first data patterns where it matters, optimised Largest Contentful Paint, real push notifications via the Web Push protocol, and add-to-home-screen flows that actually convert.

Features that help you get found and win more work
  • 01 / 04

    Installable & Offline-Capable

    Service workers with deliberate caching strategies — network-first for fresh content, cache-first for static assets, and offline fallbacks for the core flows users expect to work without connectivity.

  • 02 / 04

    Push Notifications & App-Like UX

    Web Push notifications with proper permission UX, full-screen app shell, splash screens, and home-screen install prompts that respect user intent rather than annoy them into rejecting.

  • 03 / 04

    SEO & Discoverability

    Server-rendered or statically generated pages so Google indexes the PWA, schema markup where it adds value, and the URL-based addressability that native apps can never offer.

  • 04 / 04

    Performance & Core Web Vitals

    Tuned for Largest Contentful Paint and Interaction to Next Paint — bundle splitting, image optimisation, and intentional resource hints so the PWA loads quickly even on slow 4G networks.

What's included

What's included.

Service-worker engineering, install/offline UX, and performance tuning that earns the 'progressive' label

  • 01 / 06

    Service Worker with Explicit Caching Strategy

    Service workers designed with deliberate caching strategies per resource type — network-first for fresh content, cache-first for static, stale-while-revalidate where appropriate, and offline fallbacks for core flows users need to work without connectivity.

  • 02 / 06

    Install Flow & App Shell Architecture

    Web App Manifest with icons, splash screens, and display modes; custom install prompts that respect user intent; app shell for instant first-load; add-to-home-screen flows tested across iOS, Android, and desktop browsers.

  • 03 / 06

    Web Push Notifications & Engagement

    Web Push with proper permission UX (requested after value is established), notification grouping and action handling, iOS 16.4+ and Android FCM support, and re-engagement strategies built around real user behaviour rather than spammy defaults.

  • 04 / 06

    Server-Side Rendering & SEO

    Next.js with SSR or static generation so Google indexes the PWA, schema markup where it adds search value, sitemap and robots.txt generation, and the URL-based addressability that native apps can never offer.

  • 05 / 06

    Performance Tuning & Core Web Vitals

    Largest Contentful Paint and Interaction to Next Paint tuned through bundle splitting, image optimisation, font loading strategy, and resource hints — so the PWA loads quickly on real-world 4G networks, not just on dev-machine Wi-Fi.

  • 06 / 06

    Analytics, Install Funnel & Iteration Support

    Analytics instrumented for install funnel, push opt-in rate, offline session behaviour, and return-visit patterns — so post-launch iteration is informed by data, not guesses. Available on retainer for ongoing improvement.

Our process

How it works

Service-worker-aware engineering, performance-first delivery, and proper install/offline UX

Progressive Web App Development - JW Digital
From planning to launch and beyond
  1. 1

    Discovery & PWA Suitability Check

    We start by validating that a PWA is the right architecture for your product. Where it is, we agree the core flows that need to work offline, the install moment in the user journey, and the push notification strategy.

  2. 2

    Service Worker & Caching Strategy

    Service workers are designed with explicit caching strategies — network-first for fresh content, cache-first for static assets, stale-while-revalidate for content that's tolerant of brief staleness, and offline fallbacks for the core flows users expect to work without connectivity. Default caching produces unpredictable behaviour; deliberate caching produces reliable PWAs.

  3. 3

    Install Flow, Manifest & App Shell

    Web App Manifest configured with proper icons, splash screens, theme colours, and display modes. Custom install prompts that respect user intent rather than annoy them into rejecting.

  4. 4

    Push Notifications & Real-Time Features

    Web Push notifications with proper permission UX (request after value is established, not on first visit), notification grouping and action handling, and reliable delivery through APNs (via Web Push on iOS 16.4+) and FCM on Android. Real-time features via Server-Sent Events or WebSocket where the product requires them.

  5. 5

    SEO, Performance & Core Web Vitals

    Server-side rendering or static generation via Next.js so Google indexes the content. Schema markup where it adds search value.

  6. 6

    Deployment, Analytics & Iteration

    Deployed to Vercel, Cloudflare Pages, or your preferred edge platform with CI/CD and proper release management. Analytics instrumented for install funnel, push opt-in rate, return visit patterns, and offline session behaviour — so iteration is data-informed rather than guesswork.

Pricing

What it costs

From £1,000

PWA pricing scales with the complexity of the offline experience, the depth of caching strategy required, integration count, and content/SEO scope. A focused PWA — installable, basic offline caching, simple feature set — typically falls between £1,000 and £5,000. A full PWA with sophisticated offline-first architecture, push notifications, real-time features, and substantial content/SEO surface typically falls between £5,000 and £25,000.

  • Offline and installable PWA
  • Push notifications & caching
  • Responsive and SEO-friendly design
  • No app store publishing required
Get a QuoteView our packages
  • Transparent pricing
  • No hidden fees
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Planning a website project

Starting from

£1,000

A professional, SEO-ready build designed to win you more work.

A website that pays for itself
More details

The details that make a difference.

A closer look at how this works, what is included, and how each project is tailored to your business.

When PWAs Are the Right Choice — and When They Aren'tProgressive Web Apps are excellent for a specific category of product, and we are explicit about which side your project sits on

Progressive Web Apps have been marketed as a universal replacement for native mobile apps, which leads plenty of businesses to invest in a PWA when a native or React Native build would have served them better. The honest case for a PWA is narrower than the marketing suggests, but where it applies, PWAs are transformative. They deliver installable, offline-capable, push-notification-enabled experiences over the web — with URL discoverability, SEO indexability, no App Store review cycle, no 15-30% platform tax, and instant updates without a store gatekeeper between you and your users.

PWAs are the right choice when web reach matters more than App Store discovery (most B2B SaaS, content publishers, internal tools, and product-led growth businesses sit here); when you need URL-based addressability for SEO and content marketing (native apps can never offer this); when your conversion funnel benefits from frictionless web onboarding (removing the App Store install step measurably improves conversion in many B2B contexts); and when you need fast iteration without store review cycles for every change.

PWAs are the wrong choice when App Store discovery is essential to your distribution (most consumer-facing apps), when you need deep platform integrations (advanced ARKit/ARCore, complex Bluetooth peripherals, intricate background processing), when platform-specific monetisation like Apple In-App Purchases is core to your business model, or when iOS-specific platform features (Live Activities, Dynamic Island, Apple Intelligence integrations) are central to the experience. We are explicit during scoping about which case applies to your product — and we'll recommend our mobile app development or cross-platform app development service when those are the right fit instead. PWA work pairs naturally with our bespoke website design and SEO agency services for products where web reach is the strategic priority.

Progressive Web App Development - JW Digital
Web & Mobile AppsOne codebase where it fits
Tested Before LaunchAutomated and manual cover
Built To LastMaintainable and documented
Built around your business
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JW Digital

Empowering UK businesses with bespoke web design, app development, and digital marketing solutions that drive measurable results.

0161 399 4659
JW Digital266 Altrincham Road, Manchester
Greater Manchester, M22 4AA

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FAQs

Frequently asked questions

Common questions about this service.

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A PWA is a web application built with service workers, a Web App Manifest, and an architecture that lets it behave like a native mobile app while remaining web-based. PWAs can be installed to the home screen on iOS, Android, and desktop; work offline through service worker caching; send push notifications (with platform-specific support levels); and load instantly through cached app shells. They are served from a URL like any website, indexable by Google, and updated instantly without any App Store review.

Choose a PWA when web reach matters more than App Store discovery, when URL-based addressability and SEO are strategic priorities, when your conversion funnel benefits from frictionless onboarding without an install step, or when you need fast iteration without store review cycles. Choose native or React Native when App Store discovery is essential, when you need deep platform integrations (advanced AR, Bluetooth peripherals, background processing), when platform-specific monetisation matters, or when iOS-specific platform features are central. We are explicit during scoping.

Yes, when built deliberately. Service workers cache critical assets and data, and the PWA can serve those from the cache when offline. The depth of offline experience varies by use case — a content PWA can serve previously-viewed content offline; an eCommerce PWA can show product catalogues and let users build carts offline; a complex SaaS PWA can support offline-first data entry with sync on reconnect. The offline strategy is designed during scoping based on real user behaviour.

Better than it used to. iOS 16.4+ supports Web Push notifications for installed PWAs, and Apple has steadily improved PWA support across recent iOS releases. The main remaining limitations are reduced storage quotas compared to native apps and some platform integrations that remain iOS-app-only (Live Activities, App Intents, certain payment flows). For the majority of PWA use cases, iOS support is now comparable to Android. We test on real iOS devices during the build to confirm feature parity.

Yes — that's one of the strongest reasons to build a PWA over a native app. PWAs are crawlable and indexable by Google like any website. With Next.js server-side rendering, structured data, sitemaps, and proper SEO foundations, PWAs can rank competitively for search terms relevant to your business. Pairs naturally with our SEO agency service for ongoing search optimisation.

Yes — and for some products it's the right strategy. The PWA covers web reach, SEO, and frictionless onboarding; the native or React Native app covers App Store discovery and platform-specific features for the most engaged users. Where the budget warrants it, we design a coordinated strategy with shared backend, design system, and brand — so the experiences feel consistent across channels.

For most content-driven and form-driven products, performance is invisibly different. PWAs leveraging service worker caching and app shell architecture deliver instant first paint, smooth navigation, and fast loading. The performance gap shows up in graphically intensive scenarios (3D rendering, complex animations, real-time video processing) where native still wins. For business apps, eCommerce, SaaS interfaces, and most content products, PWAs perform indistinguishably from native to end users.

Next.js with TypeScript is our default — server-side rendering for SEO, React for UI, app router for clean routing, and excellent service worker integration via Workbox or next-pwa. PostgreSQL or Supabase for data layer. Tailwind CSS for styling. Vercel or Cloudflare Pages for hosting with edge delivery. The stack is chosen for performance, SEO, and developer ergonomics — and consistent with our bespoke website design and custom API development work.

PWAs need less ongoing operational attention than native apps (no store policy compliance, no OS-specific major-version migrations) but still benefit from dependency updates, performance regression monitoring, and analytics-informed iteration. Available on retainer for ongoing improvement, or maintained alongside our managed UK hosting service.