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Completed/Developer Utility/2026
Devicely
A developer utility for analyzing website behavior and responsiveness.
Devicely
Developer-focused website testing utility.
TypeTooling
RoleBackend Engineer
Year2026
Stack
HTMLCSSVanilla JavaScript+5 more
Context
Devicely is a testing utility where developers can enter a URL to preview responsiveness and analyze website behavior across devices.
The Problem
Developers frequently need quick utilities to run checks on their URLs without booting up heavy enterprise auditing suites.
Execution
- 01Mobile & desktop responsiveness checks
- 02Structured performance and accessibility insights
- 03Clean separation of frontend and backend concerns
Architecture Flow
URL Input
Vercel-hosted Frontend Request
Spring Boot REST API Processing
Supabase Integration
Structured Results Returned to UI.
Deep Dive
Engineering Decisions
I chose Vanilla HTML/CSS/JS for the frontend to keep it extremely lightweight, placing all the complex processing logic into the layered Spring Boot backend architecture.
Challenges Overcome
Establishing clean, predictable REST API contracts between the frontend and the backend was the primary learning curve.
Stack
HTMLCSSVanilla JavaScriptJavaSpring BootSupabaseREST APIVercel