observability monitoring⏱5 minutes
Get Started with 0x
Quick Summary
“Single-command flamegraph profiling for JavaScript applications.”
Best for: JavaScript developers needing quick performance insights
Time to first integration: 5 minutes
📋Prerequisites
- ✓Node.js 18+ installed
- ✓A 0x account — sign up here
- ✓An existing project (Next.js, React, or Node.js recommended)
Setup Steps
2 steps1
1
Install 0x
Use npm to install 0x globally.
bash
npm install -g 0x2
2
Run 0x on your application
Execute 0x with your Node.js application.
bash
0x your-app.jsCommon Gotchas
Watch out for these issues in your first week.
Flamegraph output is empty
Fix: Ensure the application runs long enough to collect profiling data.
High overhead during profiling
Fix: Use 0x in a controlled environment to minimize performance impact.