Engineering Guides
Source-linked guides grounded in current primary documentation and the shared implementations used across our product portfolio.
Featured Articles
Premium Feature Icons: Accessible Labels, States, and Component Rules
A practical guide to premium feature indicators, covering icon choice, text labels, access states, contrast, tooltips, and reusable React components.
Designing a Freemium Upgrade Flow: Entitlements, Prompts, and Stripe
A practical architecture for premium entitlements, contextual upgrade prompts, hosted checkout, webhook fulfilment, and measurable recovery.
All Articles
Firebase App Hosting and Auth.js: Debugging Google OAuth Configuration
A field guide to Google OAuth failures across Auth.js, Firebase App Hosting, Secret Manager, and the provider callback configuration.
Cloud Identity Free for Google Cloud: Organisation Setup and Migration
A current guide to Cloud Identity Free, Google Cloud organisation resources, domain verification, licensing limits, and safe project migration.
Authentication Page UX: A Security, Recovery, and Accessibility Guide
A practical guide to login, registration, magic-link, and OAuth pages, with security and accessibility checks that can be verified before release.
Multi-Step Form Design: Task Structure, Accessibility, and React
A practical guide to deciding when a form needs stages, designing progress and recovery, and implementing an accessible React form workflow.
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