spa-checklist.md

Single Page App Checklist

This is a checklist for browser-based Web App without the backend or with a 3rd-party backend.

Legal

• Licences of my app's 3rd-party dependencies are not violated
• My app does not violate cryptography policies and laws

Deployment

• My app is served from CDN or cookie-less subdomain
• My app is server with forever cache headers for static assets
• My app static resources are gzipped

Loading optimization

• My app can load it's assets in parallel (css, images and scripts)
• My app uses icon sprites
• My app does not hit browser HTTP requests limit per host
• My app loads all well-known javascript libraries from CDN

Versioning

• My app has a cache-busting implemented

Testing

• My app is passing performance tests with high grades

  • PageSpeed
  • YSlow
  • Chrome Dev Tools Audit

• My app does not have memory leaks

Debugging

• minified JavaScript files contain URL for source maps

Tracking

• My app gathers metrics about usage behaviour