Future Web Architecture with Edge Computing, PWAs and Serverless
The web increasingly processes workloads at the edge rather than centrally. Combining edge computing, progressive web apps (PWAs) and serverless technologies reshapes speed, accessibility and…
Web Architecture; 2025
The web increasingly processes workloads at the edge rather than centrally. Combining edge computing, progressive web apps (PWAs) and serverless technologies reshapes speed, accessibility and scalability.
B10 Digital Agency • 10 October 2025 • Reading time: ~8 min
Edge computing: a new centre of gravity for the web
Edge computingprocesses data near the user rather than sending it to a central location. High-traffic websites benefit from low latency and high performance.
- Edge processing: Process data at an edge node near the user’s location.
- Low latency: Instant interaction with sub-100ms response times.
- Distributed architecture: Global architecture without reliance on a single server.
“Edge means resilience as well as speed: bringing the web closer to users.”
PWA (Progressive Web App) Integration
PWAs combine websites with a native-app-like experience. An offline-first approach maintains interaction through disconnections. Combined with edge, this creates a resilient web experience.
- Service Worker: Cache data to support offline access.
- manifest.json: Add the site to the device’s home screen.
- Push notifications: Maintain user engagement.
Serverless architecture: the API-first era
Serverless runs application backend functions on managed platforms. Developers focus on application code while the platform handles server operation and scaling.
- API-first approach: Design each module as an independent API.
- Automatic scaling: Adjust resources to user traffic.
- Cost optimisation: Usage-based billing (pay-as-you-go).
“Serverless: you own the code; infrastructure runs in the cloud.”
Edge + PWA + Serverless Combination
Combining the three technologies creates decentralised but interconnected systems for a faster, more resilient user experience.
| Component | Task | Advantage |
|---|---|---|
| Edge | It processes data at the closest point to the user | Minimizes delay |
| PWA | Supports an offline-first experience | Maintains user interaction |
| Serverless | Moves business logic to cloud | Reduces maintenance load |
Offline-first strategies
Offline-first reduces dependence on connectivity, especially for field-worker apps, mobile websites and global e-commerce.
- IndexedDB + Cache API: Data storage within the browser.
- SyncManager API: Synchronise data automatically when connectivity returns.
- Background Fetch: Update data even when the user is inactive.
Architecture of the Future: The Layer of User-Edge
The article’s post-2025 outlook shifts from client-server touser-edge: content is processed both on the user’s device and at the edge.
- Local cache and edge compute: Synchronise dynamic data in both directions.
- AI integration: personalized experience with model predictions running on Edge.
- Data security: Data is processed on the user device, protecting privacy.
“The web runs across many small edge locations, not just a central hub.”
Prepare your web for the future with Edge architecture.
B10 Digital Agency designs scalable, fast and secure web infrastructures with serverless and edge technologies.
Sources and related documents
These documents provide references for the methods and rules discussed in this article.