Real-time frontend performance monitoring

Ship faster.
Without the jank.

FPSentinel tracks FPS, detects UI jank, captures Web Vitals, and gives you AI-powered insights — so you can fix performance issues before your users notice.

Start Monitoring View SDK Docs
60fpsTarget tracking
<1KBSDK bundle size
3Web Vitals tracked
fpsentinel.app/dashboard
FPS60
JANK0
SCORE98
AI: Critical frame drop detected during Scroll on Products page (125ms)
LCP: 1.2s
CLS: 0.12
Features

Everything you need to
own your performance

From frame-level FPS tracking to AI-generated optimization tips, FPSentinel gives you the full picture.

Winner
Performance

Real-time FPS Tracking

Monitor frame rates with precision. Identify drops before they impact users.

Metric System
Gold Winner
Alerting

Jank Detection

Automatically detect frame drops. Get deep insights into UI bottlenecks.

Metric System
Asia Pacific
Metrics

Web Vitals (LCP, CLS)

Capture Core Web Vitals automatically. Track LCP and Layout Shifts.

Metric System
Innovative
Intelligence

AI-Powered Insights

Get actionable optimization suggestions based on intelligent analysis.

Metric System
Runner up
Analytics

Interactive Dashboard

Visualize performance trends with D3.js. identify patterns effortlessly.

Metric System
Winner
SDK

Lightweight SDK

Under 1KB gzipped. Zero dependencies. No performance overhead.

Metric System
How It Works

Three steps to
performance clarity

01

Install the SDK

Add the FPSentinel SDK to your project with a single npm command.

npm install fpsentinel

Ready to eliminate UI jank?

Join developers who ship smooth, 60fps experiences. Start monitoring in under 2 minutes.

Get Started — It's Free